WorksheetsLife Science CA 1 review
Total questions: 38
Worksheet time: 25mins
Name
Class
Date
1.
Verterbrate or Invertebrate
a)
Verterbrate
b)
Invertebrate
2.
Which of the following are only found in plant cells?
a)
cell membrane
b)
mitochondria
c)
nucleaus
d)
cell wall
3.
What characteristic do all birds share?
a)
They can fly.
b)
They have feathers.
c)
They have webbed feet.
d)
They eat worms.
4.
A frog is a vertebrate that can also be classified as
a)
an amphibian.
b)
a fish.
c)
a reptile.
d)
an arthropod.
5.
Which ones are unicellular organisms?
a)
Goldfish
b)
Seaweed
c)
Bacteria
d)
Ants
6.
Which of these is not a life process carried out by a single-celled amoeba?
a)
removing waste
b)
taking in food
c)
reproducing
d)
driving
7.
An animal has fur and feeds milk to its young. How should the animal be classified
a)
as an invertebrate
b)
as an amphibian
c)
as a mammal
d)
as a reptile
8.
Would it be good for your health to kill all of the bacteria in your body?
a)
Yes. Most bacteria in your body are harmful. Killing all of the bacteria would get rid of these bacteria.
b)
No. Many bacteria in your body are beneficial. These beneficial bacteria help your body perform physiological functions, such as digestion.
c)
Yes. Getting rid of all bacteria in the body would prevent most diseases. This is why doctors use antibiotics.
d)
No. The harmful bacteria in your body are important for stimulating the immune system.
9.
A biologist discovers a new multicellular organism. The biologist is not sure if it is a plant or an animal. She decides to look at the cells under a microscope. Which structure would best indicate that the organism is a plant?
a)
chloroplast
b)
Golgi body
c)
ribosome
d)
lysosome
10.
All vertebrate animals have
a)
scales
b)
warm blood
c)
backbones.
d)
hair.
11.
Which of the following is an example of a decomposer?
a)
cheetah
b)
worm
c)
tree
d)
dog
12.
When people consume mushrooms, they are eating a
a)
producer
b)
consumer
c)
decomposer
d)
scavenger
13.
All of the living and nonliving thing and their interactions in an area
a)
stuff
b)
ecosystem
c)
animals
d)
the sun
14.
Organisms that gets its energy from other living organisms but does not make its own energy is called a...
a)
producer
b)
consumer
c)
decomposer
d)
organizer
15.
A path of energy in an ecosystem that flows from one organism to another
a)
Food web
b)
Food chain
c)
Food basket
d)
Food system
16.
A predator...
a)
hunts other animals for fun.
b)
is hunted by other animals.
c)
forages for food.
d)
hunts other animals for food.
17.
Which organism always comes after the sun in a food chain?
a)
consumer
b)
herbivore
c)
omnivore
d)
producer
18.
Why are decomposers necessary in the food chain?
a)
They provide nutrients for plants.
b)
They photosynthesize.
c)
They are food for carnivores.
d)
They prey on herbivores.
19.
Which of the following directly use the Sun's energy to produce their own food?
a)
decomposers
b)
carnivores
c)
consumers
d)
producers
20.
If a population of grizzly bears gradually increases over time, which of the following will most likely occur?
a)
The number of prey species will decrease.
b)
The size of the bear population will continue to increase.
c)
The bear population in that area will become herbivores.
d)
The number of prey species will increase.
21.
According to the energy pyramid, which of the following will most likely happen to the other organisms if all the harvest mice died?
a)
The number of hawks would decrease, and the number of insects would increase.
b)
The number of hawks would increase, and the number of insects would increase.
c)
The number of hawks would increase, and the number of insects would decrease.
d)
There would be no change in the rest of the chain.
22.
Which of the following food chains shows the correct energy flow from left to right?
a)
rabbit > owl > grass
b)
grass > rabbit > owl
c)
owl > rabbit > grass
d)
grass > owl > rabbit
23.
How can the wolf in this picture benefit from plants even if it never eats plants?
a)
The rabbit eats the plants, and the wolf eats the rabbit.
b)
The plants help the rabbit to hide from the wolf.
c)
The plants make the wolf run slower.
d)
The rabbit eats the wolf, and the grass decomposes the rabbit.
24.
Which of these adaptations would help an animal survive a cold winter season?
a)
losing extra fat on the body
b)
shedding fur
c)
hibernating in a cave
d)
sweating to release heat
25.
According to the food web, if the snail population of this ecosystem increases, which of the following is most likely to occur?
a)
The grass population will increase.
b)
The grass population will decrease.
c)
The snails will eventually become extinct.
d)
The grasshopper population will increase at nearly the same rate.
26.
What is the relationship between the Sun, plants, and animals in a food web?
a)
The Sun provides energy for both plants and animals to make their own food.
b)
The Sun provides energy for plants to make their own food, and animals eat plants or other animals.
c)
The Sun provides light so animals can see which plants to eat.
d)
The Sun provides heat energy for animals to survive, but not plants.
27.
Look at the following table and picture.
These teeth most likely belong to a:
These teeth most likely belong to a:
a)
deer.
b)
tiger.
c)
chimpanzee.
d)
panda bear.
28.
According to this graph, what is the most popular flavor of Jolly Rancher?
a)
Cherry
b)
Grape
c)
Blue Rasberry
d)
Watermelon
29.
People buy more drinks on ____ than any other day.
a)
Monday
b)
Tuesday
c)
Thursday
d)
Friday
30.
Which chart will BEST represents the decline of sales for a music company over the past five years?
a)
Column
b)
Line
c)
Pie
d)
XY scatter
31.
Is this the correct order of the Scientific Method: Question, Research, Experiment, Hypothesis, Analyze, Conclusion.
a)
YES
b)
NO
32.
What step in the Scientific method comes after the Hypothesis?
a)
Analyze
b)
Experiment
c)
Conclusion
d)
Question
33.
When you use your five senses to determine the physical properties of an object.
a)
Data
b)
Hypothesis
c)
Conclusion
d)
Observation
34.
Bill went running around his neighborhood. The distance is how far Bill was from his house.
When was Bill farthest from house?
When was Bill farthest from house?
a)
1 second
b)
2 seconds
c)
4 seconds
d)
5 seconds
35.
Scientists control changes in the ____________ variable.
a)
dependent
b)
control
c)
constant
d)
independent
36.
When you group or organize categories, you are using the skill of ______________?
a)
observe
b)
compare
c)
predict
d)
classify
37.
Which phylum has the smallest number of species?
a)
Acrasiomycota
b)
Rhizopoda
c)
Chlorophyta
d)
Bacillariophyta
38.
The students measured the melting point of sucrose (sugar). Which student had the lowest melting point?
a)
Student A
b)
Student B
c)
Student C
d)
Students A and C tied for the lowest melting point.
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