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Science Second Quarter Review

Total questions: 30

Worksheet time: 35mins

Name
Class
Date
1.
Which best explains why many kinds of plants and animals can live together in an ecosystem?
a)
The plants and animals are all part of a food chain and depend on each other to live.
b)
Plants and animals are interdependent of one another.
c)
One species may overpopulate, killing all plant life.
d)
Over population of a species results in a biodiversity.
2.
_______ are consumers that eat only meat.
a)
Herbivore
b)
Omnivore
c)
Carnivore
3.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
4.

Field mice eat corn. Which would most likely happen if the field mouse population grew?

a)

There would be more corn to feed the field mice.

b)

There would be less corn due to the mice eating it.

c)

The habitat would get overpopulated because the mice would eat too much.

5.
Which describes a decomposer?
a)
an organism that eats only plants
b)
an organism that makes its own food
c)
an organism that breaks down dead matter
d)
an organism that recieves energy from the sun
6.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
7.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
8.
What would most likely happen if an ecosystem no longer received sunlight?
a)
The number of herbivores would increase
b)
The number of plants would increase
c)
all organisms would adapt
d)
All living organisms would eventually die
9.
All food chains_____________________
a)
have more consumers than producers
b)
produce and use same amount of energy
c)
begin with a producer
d)
are unhealthy 
10.
How does energy enter an ecosystem? 
a)
sunlight
b)
soil 
c)
animals 
d)
invasive species 
11.
How do consumers get their energy? 
a)
laying in the sun
b)
eating other organisms 
c)
providing food for other organisms
d)
surviving in an ecosystem 
12.

All the members of one species that live within an area of an ecosystem

a)

population

b)

community

c)

niche

13.
Organisms that make up the living part of an ecosystem.
a)
abiotic
b)
biotic factors
c)
ecology
d)
ecosystems
14.

All of the populations that live in one area together

a)

limiting factors

b)

populations

c)

community

d)

speed limit

15.
Deserts, mountains, and rivers are all examples of ________.
a)
vacation spots
b)
tundra
c)
ecosystems
d)
wetlands
16.
Which statement is correct?
a)
A population is the same as a community
b)
A community is a group of populations
c)
A community is a part of a population
d)
A population is a group of communities
17.
Decomposers get their food by __________.
a)
making it themselves
b)
eating live organisms
c)
using dead organisms
d)
eating themselves
18.
Land-based ecosystem including forests and grasslands
a)
terrestrial
b)
abiotic
c)
biotic
d)
aquatic
19.
Have many trees, shrubs, grasses, ferns, and a variety of animals
a)
forest
b)
grassland
c)
ocean
d)
lake
20.
Have fertile soil and are covered with tall grasses
a)
forest
b)
grasslands
c)
lakes
d)
oceans
21.
Body of fresh water completely surrounded by land
a)
lake
b)
river
c)
ocean
d)
island
22.
Found where freshwater rivers meet oceans
a)
estuaries
b)
lake
c)
pond
d)
inlet
23.
Organisms that use light energy to produce food
a)
producer
b)
consumer
c)
decomposer
d)
herbivore
24.

How are inherited traits, which include features and behaviors, passed?

a)

from species to the environment

b)

from offspring to parent

c)

from parent to offspring

d)

from niche to niche

25.

A baby duck is guaranteed to inherit which trait from its parents?

a)

size

b)

weight

c)

sight

d)

webbed feet

26.

Which of the following is not an inherited trait among animals?

a)

fur color

b)

eye color

c)

ability to roll your tongue

d)

ability to swim

27.

If a beagle and a pug dog have offspring, what will the offspring look like?

a)

just a beagle

b)

just a pug

c)

a combination of beagle and pug

d)

a poodle

28.

In plants and animals, offspring show many traits of their _________.

a)

parents

b)

niche

c)

community

d)

prey

29.

Which trait is not inherited?

a)

eye color

b)

height

c)

blood type

d)

language

30.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree

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