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Africa Unit Test Review

Total questions: 116

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

Gel Electrophoresis separates molecules by

a)

Shape

b)

Color

c)

Size

d)

Atom

2.

This laboratory procedure is known as

a)

CLONING

b)

gel electrophoresis

c)

chromatography

d)

use of a dichotomous key

3.
Which two bear species are most closely related?
a)
Bear 1 and Bear 2
b)
Bear 1 and Bear 3
c)
Bear 2 and Bear 3
d)
There’s no way to tell
4.

What is the correct claim for this crime scene?

a)

Suspect 1 committed the crime.

b)

Suspect 2 committed the crime.

c)

Suspect 3 committed the crime.

d)

Suspect 4 commited the crime.

e)

Need more evidence to make a claim.

5.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

6.

Select all that are products/outputs of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

7.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
8.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
9.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
10.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
11.
Organisms that need nitrogen to survive
a)
only plants
b)
only animals
c)
only bacteria
d)
all living organisms
12.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
13.

What converts nitrogen gas into a usable form for plants and animals?

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

14.

15 out of 25 kids chose to go swimming at camp. What percent is that?

a)

15%

b)

20%

c)

45%

d)

60%

15.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
16.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
17.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
18.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
19.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
20.
If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?
a)
coyote
b)
insect
c)
lizard
d)
shrub
21.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

22.

Something that regulates the size of a population is called...

a)

a limiting measure

b)

a limiting factor

c)

carrying capacity

d)

biodiversity

23.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

24.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

25.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
26.

Elephant populations that experience poaching have many more tuskless elephants compared to populations that are protected. Why?

a)

Tusk-less elephants were more likely to survive the poachers

b)

Individuals lost their tusks because they needed to avoid the poachers.

27.

Which of the following are the reactants for Photosynthesis?

a)

O2 + Glucose

b)

O2 + H2O

c)

CO2 + H2O

d)

CO2 + Glucose

28.

Which of the following are the products of cellular respiration?

a)

CO2 + H2O + ATP (Energy)

b)

O2 + Glucose

c)

O2 + H2O + ATP (Energy)

d)

CO2 + H2O + light

29.

Unit of energy

a)

Species

b)

Competition

c)

Energy

d)

Kilocalorie

30.

A lion hunts and kills 1 wildebeest. The total energy available from the wildebeest is 25,000 kcal, and the total energy cost per wildebeest is 10,000 kcal. What is the net energy gained by the lion?

a)

25,000 kcal

b)

10,000 kcal

c)

35,000 kcal

d)

15,000 kcal

31.

What is a keystone species?

a)

A species that helps to hold an ecosystem together.

b)

A species that lives in or around rocks.

c)

An introduced species that is not native to the area.

32.

Based on the graph, what happens to the amount of kelp as sea otter numbers decrease?

a)

As the sea otter population decreases, kelp increases.

b)

As the sea otter population decreases, kelp decreases.

c)

As the sea otter population decreases, kelp doesn't change.

33.

According to the graph, how do plants obtain their nitrogen needs?

a)

Denitrification bacteria

b)

Nitrogen fixing bacteria

c)

The "breathe" it in

d)

Plants don't need nitrogen

34.

What organisms use cellular respiration?

a)

Animals

b)

Plants

c)

Both

35.

Occurs in plants

a)

photosynthesis only

b)

cellular respiration only

c)

photosynthesis and cell respiration

d)

all of the above

36.

According to the image, what is the producer?

a)

plant

b)

insect

c)

mouse

d)

snake

37.

What are "producers" producing?

a)

the energy for the food chain

b)

the insects for the food chain

38.

The word "primary" means "first."

If that's true, what does primary consumer mean?

Hint: look carefully at the food chain!

a)

the first organism in a food chain

b)

the first organism that consumes something else for energy

39.
Organisms of a lower trophic level have a comparatively __________ number compared to organisms of the higher trophic level in order to support them.
a)
larger
b)
smaller
40.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
41.

Which lion prides are the most closely related according to the phylogenetic tree shown?

a)

sabi sands and tsavo

b)

Zimbabwe and cameroon

c)

Kalahari and umfolozi

d)

etosha45 and stave

42.

How are an individual’s chromosomes grouped when examining a karyotype?

a)

They are in singles

b)

Pairs

c)

Triplets

d)

Grouped in different ways depending on the animal

43.

Which strategy allows lions to be more successful and effective hunters, and why?

a)

Hunt smaller prey solo - they can do it faster alone, still gain enough energy from the prey

b)

Hunt larger prey in a group - they can share the energy cost of hunting, gain more energy

44.

What are the roles of the female lions in the pride?

a)

Raising the cubs

b)

Feeding the pride

c)

Teaching the juveniles how to hunt

d)

All of the above

45.

Which feeding niche makes up secondary (2nd) Consumers?

a)

Producers

b)

Herbivores

c)

Carnivores

d)

Carnivores and/or omnivores

46.

Which trophic level is made up by herbivores? 

a)

Producers

b)

Primary (1st) Consumers

c)

Secondary (2nd) Consumers

47.

The blue line on the graph represents the population of

a)

predator

b)

prey

48.

Look at the genotype data: Why does each lion have two alleles for each gene?

a)

organisms inherit (receive) one allele from mom and one allele from dad

b)

organisms have two dominant alleles for every gene

c)

organisms have two alleles in case one is not inherited correctly

d)

organisms inherit both alleles from their mother

49.

How many alleles do offspring receive from their father?

a)

0 copies

b)

1 copy

c)

2 copies

50.

What type of evidence are we examining here?

a)

behavioral data

b)

geographic data

c)

genetic data

51.

What do the different letters represent?

B/C N/O S/T D/E

a)

different lions

b)

different chromosomes

c)

different genes

d)

different alleles

52.

Why did we need to examine multiple genes? (choose all that apply)

a)

only FCA 77 gene can tell us who the father is

b)

we need to examine multiple genes to have enough information to eliminate the other males

c)

individuals may share some alleles even if they are not parent and child

53.

Based on the geographic data which pride do you think is likely to show the greatest differences in their alleles from the other prides?

a)

Zambia

b)

Etosha

c)

Cameroon

d)

Kalahari

54.

What cellular process captures light energy and transforms it into chemical energy (that eventually ends up in the lion)?

a)

meiosis

b)

digestion

c)

photosynthesis

55.

This data is showing ...

a)

a karyotype, showing all of the lions chromosomes

b)

a phylogenetic tree, showing how groups of lions are related

c)

a genotype, showing the combination of alleles a lion is carrying

d)

geographic data, showing the location of multiple prides of lions

56.

A gene is best described as...

a)

a special cell to pass on genetic information

b)

a coiled up strand of DNA that carries genes

c)

a section of DNA that codes for a trait

57.

Which of the following would be considered an abiotic factor in the lions' environment that affects their survival?

a)
b)
c)
d)
58.

Which of the following would be considered a biotic factor in the lions' environment that affects their survival?

a)
b)
c)
d)
59.

In a lion cub’s karyotype, how many chromosomes are inherited from the mother lion?

a)

Half

b)

Some

c)

All

d)

None

60.

What percentage of energy gets transferred to each level in the energy pyramid?

a)

1

b)

10

c)

50

d)

100

61.

The word "primary" means "first."

If that's true, what does primary consumer mean?

Hint: look carefully at the food chain!

a)

the first organism in a food chain

b)

the first organism that consumes something else for energy

62.

Which of the animals not worth hunting?

a)

Meerkat

b)

Warthog

c)

Wildebeest

d)

Zebra

63.

Is this animal an herbivore or carnivore? Why?

a)

Carnivore because it has sharp, pointy teeth

b)

Carnivore because it has sharp, flat teeth

c)

Herbivore because it has sharp, pointy teeth

d)

Herbivore because it has sharp, flat teeth

64.

Is this animal an herbivore, carnivore, or omnivore? Why?

a)

Carnivore because it has sharp, pointy teeth

b)

Herbivore because it has sharp, flat teeth

c)

Omnivore because it has large flat teeth in the back

d)

Omnivore because it has both sharp, flat teeth and sharp, pointy teeth

65.

Is this animal an herbivore or carnivore? Why?

a)

Carnivore because it has sharp, pointy teeth

b)

Carnivore because it has sharp, flat teeth

c)

Herbivore because it has sharp, pointy teeth

d)

Herbivore because it has sharp, flat teeth

66.

Giraffe's can eat food at the top of the tree so no one competes. What type of niche partitioning is this?

a)

Time

b)

Height

c)

Diet

d)

Space

67.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
68.
The role of an organism in its ecosystem is called the organism's __________.
a)
hot roll
b)
niche
c)
leading role
d)
role of a lifetime
69.
An organism that uses an outside source of energy like the sun to create energy-rich food molecules.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Parasite 
70.
An organism that obtains energy by eating other organisms.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Detriov
71.
An organism that obtains energy by consuming plants.
a)
Omnivore
b)
Herbivore
c)
Carnivore
72.
An organism that obtains energy by consuming plants and animals.
a)
Omnivores
b)
Carnivores
c)
Herbivores
73.
Animals that eat primary producers (also known as herbivores)
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Tertiary Consumers
74.
Eat primary consumers (can be carnivores and omnivores)
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Quaternary Consumers 
d)
Top Predators 
75.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
76.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
77.

Chromosomes line up at the equator of the cell

Spindle fibers extend from the centrioles to the middle of the chromosomes

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Interphase

78.

Nuclear membrane reforms around the new daughter cells.

Cytoplasm begins to "pinch" in.

a)

Anaphase

b)

Metaphase

c)

Telophase

d)

Interphase

79.

Chromatids separate

a)

Anaphase

b)

Metaphase

c)

Prophase

d)

Telophase

80.
What phase of mitosis is pictured?
a)
Metaphase
b)
Telophase
c)
Prophase
d)
Anaphase
81.

in the cell cycle, what is the next stage after TELOPHASE (most of the time)?

a)

Metaphase

b)

anaphase

c)

cytokinesis

d)

interphase

82.
The stages of mitosis in order
a)
Metaphase, Anaphase, Prophase, Telophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Anaphase, Prophase, Telophase, Metaphase
83.

In the biological process known as mitosis, the two resulting cells are:

a)

different from the starting cell and identical to each other.

b)

different from the starting cell and different from each other.

c)

identical to the starting cell and different from each other.

d)

identical to the starting cell and identical to each other.

84.

This is an onion root cell in the process of mitosis. Which phase is shown?

a)

PROPHASE

b)

METAPHASE

c)

ANAPHASE

d)

TELEOPHASE

85.

This is an onion root cell in the process of mitosis. Look at the the cell identified by the pointer. Which phase of mitosis is this onion cell undergoing?

a)

PROPHASE

b)

METAPHASE

c)

ANAPHASE

d)

TELEOPHASE

86.

Which of the following best describes the reason cells divide?

a)

to improve genetic variation

b)

to decrease genetic mutations

c)

to replace worn out/dead cells

d)

to amplify genome probability

87.

What are the benefits of asking open-ended questions?

a)

There are no benefits

b)

open-ended questions allow you to find out more information

c)

open-ended questions stop the conversation.

d)

What is an open-ended question?

88.

How many pets do you have?

a)

Open Ended Question

b)

Close Ended Question

89.

When is your birthday?

a)

Open Ended Question

b)

Close Ended Question

90.

Why do dogs bark?

a)

Open Ended Question

b)

Close Ended Question

91.

The ecological role an organism performs in their specific environment is considered the organism's...

a)

Habitat

b)

Population

c)

Biome

d)

Niche

92.

the differentiation of niches that enables similar species to coexist in a community

a)

character displacement

b)

climax community

c)

resource partitioning

d)

pioneer species

93.
The ecological niches of three bird species are shown in the diagram. What is the advantage of each bird species having a different niche?
a)
As more birds feed higher in the tree, available energy increases.
b)
More abiotic resources are available for each bird.
c)
Predators are less likely to feed on birds in a variety of locations.
d)
There is less competition for food.
94.
The owl receives energy from which organisms?
a)
grasshopper and mouse
b)
mouse and rabbit
c)
rabbit and butterfly
d)
butterfly and frog
95.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
96.
What are the products of cellular respiration?
a)
Energy (ATP), Water, and Carbon DIoxide.
b)
Water and Oxygen
c)
Oxygen and Carbon Dioxide
d)
Water and Energy (ATP)
97.
What gas is needed for respiration?
a)
Carbon dioxide
b)
nitrogen
c)
Oxygen
d)
hydrogen
98.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
99.

What gas is given off during photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

carbon

100.

What two reactants are needed for photosynthesis to occur?

a)

water and oxygen

b)

glucose and carbon dioxide

c)

glucose and oxygen

d)

water and carbon dioxide

101.

Which of the following graphs is best for showing how a quantity changes over time?

a)

Pie chart

b)

Scatter plot

c)

Line graph

d)

Bar graph

102.

What does the x-axis typically represent in a graph?

a)

The average value

b)

The dependent variable

c)

The independent variable

d)

The total value

103.
Identify the Cell Cycle Stage.
a)

cytokinesis

b)
Interphase
c)
Anaphase
d)
Metaphase
104.
Identify the Cell Cycle Stage.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
105.
Identify the Cell Cycle Stage.
a)

telophase

b)
Interphase
c)
Anaphase
d)
Metaphase
106.
Identify the Cell Cycle Stage.
a)
Interphase
b)
Anaphase
c)
Metaphase
107.

Cells spend most of their lives in which phase?

a)

Interphase

b)

Prophase

c)

Telophase

d)

Metaphase

108.

What is the correct order of the phases of Mitosis?

a)

Anaphase, Telophase, Metaphase, Prophase

b)

Metaphase, Prophase, Anaphase, Telophase

c)

Prophase, Metaphase, Anaphase, Telophase

d)

Prophase, Anaphase, Telophase, Metaphase

109.

Identify the stage of the cell cycle shown in Image C.

(a)  

110.

The image shows cells in the different stages of mitosis. Which cell is in telophase?

a)

A

b)

B

c)

C

d)

D

111.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
112.

What is the main reason elephants are poached?

a)

For their meat

b)

For their skin

c)

For their ivory tusks

d)

For their bones

113.

How does poaching elephants affect the ecosystem?

a)

It increases plant diversity

b)

It disrupts the balance of the ecosystem

c)

It has no effect on other animals

d)

It helps control elephant population

114.

Which of the following best describes niche partitioning?

a)

When all species use resources in the same way

b)

When one species eliminates another from a habitat

c)

When species divide resources to reduce competition

d)

When two species compete for the exact same resources

115.

Which of the following is an example of niche partitioning in a forest ecosystem?

a)

Two bird species feeding on the same insects at the same height

b)

One bird species outcompeting all others for food

c)

Different bird species feeding on insects at different heights in the trees

d)

All birds migrating at the same time

116.

How does niche partitioning contribute to biodiversity?

a)

It leads to all species using the same resources

b)

It decreases the number of species in an ecosystem

c)

It allows multiple species to coexist by reducing direct competition

d)

It causes extinction of weaker species

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