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WorksheetsEqualibrium
Total questions: 49
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy
2.
In a cat population inhabiting a grassland area, a mutation occurs that results in a new coat color. What would have to happen for this new coat color to become common in the mouse population
a)
whether the rate of reproduction in the mouse population is stable
b)
weather the new coat color allele is dominant or recessive
c)
whether the new coat color allele increases the survival of the mice in their environment
d)
whether abundant food is available in the grassland
3.
This example of passive transport is the diffusion of water.
a)
osmosis
b)
concentration gradient
c)
isotonic
d)
facilitated diffusion
4.
This solution has the highest concentration of particles.
a)
hypertonic
b)
hypotonic
c)
isotonic
5.
The movement of molecules against a concentration gradient
a)
simple diffusion
b)
facilitated diffusion
c)
active transport
d)
osmosis
6.
Potatoes are placed in a cup of salt water. Which word best describes the salt water?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
Dirty
7.
Channel proteins are used during which type of transport
a)
Osmosis
b)
Diffusion
c)
Facilitated diffusion
d)
Protein pump/active transport
8.
The tail of the phospholipid in the cell membrane is
a)
polar
b)
nonpolar
c)
hydrophillic (water loving)
d)
Doesn't exist
9.
Gummy bears will swell in water due to
a)
active transport
b)
osmosis
c)
they are hungry and are eating
d)
diffusion
10.
A blood cell in a hypotonic solution would
a)
It would be fine, it is balanced
b)
It would shrink and soon look like a raisin because the solution around the cell has more water inside than outside
c)
It would swell and stretch until it pops because there is less water inside the cell than outside of it
d)
No one knows until you do the experiment, they are all different
11.
In passive transport, molecules move from an area of _______ concentration to an area of ________ concentration until they reach equilibrium.
a)
low to high
b)
high to higher
c)
low to lower
d)
high to low
12.
What is it called when a population's numbers get too large for the environment to support it?
a)
Exponential growth
b)
Logistic growth
c)
Natality
d)
Emigration
13.
Without limiting factors, a population will have what type of growth?
a)
Logarithmic (s curve)
b)
Linear (straight line)
c)
Exponential (j curve)
d)
Quadratic (u shaped curve)
14.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
15.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
16.
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
17.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
18.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
19.
succession that occurs in an area with no soil
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
20.
Which of the following is true in a climax community?
a)
the community will constantly evolve and change
b)
if one species dies, a new species will fulfill the same role
c)
They are stable for a long time, with the same species maintaining their population
d)
it goes through a major change called "climax" every few hundred years
21.
the first organisms that appear in an ecological community
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
22.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Shrubs → Trees → Grasses → Lichens
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
23.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
24.
protein sequences in one organism that resemble those of another suggest a
a)
coincidence
b)
lack of evolutionary relationship
c)
great number of mutations
d)
shared ancestry
25.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
26.
Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
a)
Individuals will only create offspring well-suited to the climate change
b)
The individuals would produce more offspring
c)
Individuals better suited to the new climate will help less-suited individuals survive
d)
Some individuals will posses traits better suited to the new climate and be more likely to pass them on
27.
The Table below shows the # of differences in amino acids in a protein called “Cytochrome C” when comparing humans to other organisms. The protein is used by many plants and animals to convert energy in cells.
List the 4 closest human relatives based on this biochemical comparison.
List the 4 closest human relatives based on this biochemical comparison.
a)
chimpanzee, horse, rattlesnake, snapping turtle
b)
chimpanzee, gorilla, rhesus monkey, horse
c)
fruit fly, bread mold, tuna fish, snapping turtle
d)
gorilla, rhesus monkey, rattlesnake, gorilla
28.
1. What is an adaptation?
a)
A feature or behavior that helps an animal survie.
b)
The food that an animal eats.
c)
How energy moves in a food web.
29.
A snowshoe hare has brown fur in the summer and white fur in the winter. What adaptation helps the hare survive?
a)
camouflage
b)
armor
c)
mimicry
d)
poison
30.
Which is a reason that bacteria can cause infections in other organisms?
a)
fast reproduction
b)
no outer covering
c)
better antibiotics
d)
the immune system
31.
Within a given ecological community, there may be several different populations of animals and plants. Which one of the following is NOT a criteria for defining a population?
a)
the species is there at the same time
b)
the species occupies the same place
c)
the species eats the same food
d)
the species shows signs of reporduction
32.
In the ever-changing environment, animal traits can either prove to be beneficial to the survival of an organism or they can prove to be deadly. For example, you are a red fox trying to live in the Alaskan wilderness. For most of the year, the ground is covered by white snow. The rabbits you would like to eat can clearly see you. This trait is not beneficial to your survival. A trait that helps an organism survive and reproduce is:
a)
considered favorable and called an adaptation
b)
considered unfavorable and called a mutation
c)
considered favorabl and called a variation
d)
considered favorabel and called a mutation
33.
Mutations are rare, spontaneous changes in the DNA sequence that results in:
a)
no effect, good or bad, on the organism
b)
a harmful effect
c)
a beneficial effect
d)
it can be good, bad or have no effect
34.
Farmers raise animals and plants for making money and feeding people. So in essence they get to decide which organisms have favorable traits and then select the best organisms for reproducing to get more offspring with those traits. The process of man deciding which organisms get to reproduce is referred to as:
a)
farmer selection
b)
artificial selection
c)
natural selection
d)
money selection
35.
Through careful observation, Charles Darwin came to understand that:
a)
a. Populations of plants and animals in nature most often consist of individuals that are clones of each other
b)
a. Those individuals whose variation gives them an advantage in stay alive long enough to reproduce are more likely to pass their traits onto the next generation
c)
a. Populations of a species that become isolated from others by adapting to different environmental niches quickly become extinct.
36.
Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According to Darwin, the offspring that are most likely to survive are those that
a)
a. are born first and grow fastest
b)
a. are largest and most aggressive
c)
a. have no natural predators
d)
are best adapted to the environment
37.
What is the process by which individuals that are better adapted to their environment survive and reproduce more successfully than others do?
a)
species separation
b)
genetic change
c)
natural selection
38.
The term used describing organisms having similar bones such as the arm bones of cats, rats, humans, and frogs
a)
homologous structures
b)
vestigial structures
39.
A population of rabbits live in an area. Over thousands of years, the climate has become colder. Which of the following adaptations would you expect to evolve?
a)
ability to run faster
b)
ability to find food underground
c)
a thicker fur coat
d)
larger ears to hear predators
40.
Differences between members of the same species are called:
a)
traits
b)
mutations
c)
variations
d)
overproduction
41.
Which structures are found in every prokaryotic and eukaryotic cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
chromosomes and nucleus
d)
cell membrane and nucleus
42.
What is this a picture of?
a)
Pedigree
b)
Cladogram
c)
Family Tree
d)
Oak Tree
43.
Cladograms are constructed by grouping organisms together based on their____________ characteristics.
a)
shared
b)
different
c)
similar
d)
opposite
44.
Which three animals are most distantly related?
a)
The elephant, Manatee, and Yellow Frog
b)
The Yellow Frog, Salamander, and Bird
c)
The Lungfish, Crocodile, and Bird
d)
The Elephant, Lungfish, and Crocodile
45.
According to this cladogram, birds are LEAST related to:
a)
Amphibians
b)
Sharks
c)
Ray Finned Fish
d)
Crocodiles
46.
Barnacle/Whale
Barnacles create home sites by attaching themselves to whales. As the barnacle is a filter feeder, it also gets access to more water (and more food) due to the relationship. Whale is unaffected.
Barnacles create home sites by attaching themselves to whales. As the barnacle is a filter feeder, it also gets access to more water (and more food) due to the relationship. Whale is unaffected.
a)
parasitic
b)
commensalistic
c)
mutualistic
47.
cuckoo/Warbler
A cuckoo lays its eggs in the nest of the warbler. The cuckoo’s eggs hatch first and the young kick the warbler eggs out of the nest. The warbler raises the cuckoo babies and the warbler babies aren’t hatched.
A cuckoo lays its eggs in the nest of the warbler. The cuckoo’s eggs hatch first and the young kick the warbler eggs out of the nest. The warbler raises the cuckoo babies and the warbler babies aren’t hatched.
a)
parasitic
b)
commensalistic
c)
mutualistic
48.
Human/E. Coli
E. Coli is a bacteria that lives in the gut of humans. The human provides the ideal habitat for e coli reproduction and the e coli provides the extra vitamin K that we use.
E. Coli is a bacteria that lives in the gut of humans. The human provides the ideal habitat for e coli reproduction and the e coli provides the extra vitamin K that we use.
a)
p
b)
c
c)
m
49.
Yucca plant/Yucca moth
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both benefit.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both benefit.
a)
p
b)
c
c)
m
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