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Survival of Organisms

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Which trait would best help an animal survive in the Sonoran Desert better than other animals?

a)
a. a layer of blubber
b)
b. large ears
c)
c. wings
d)
d. a long, thin beak
2.

The monkey may become endangered if _______________.

a)
a. there are too many of them the rainforests
b)
b. the trees they live in are being cut down
c)
c. they can find food easily
d)
d. there is plenty of water
3.

How does competition between animals change the traits of the animals in a population? The animals that have traits making them better adapted to survive will pass those traits on to their _____________ when they reproduce.

a)
parents
b)
offspring
c)
adapt
4.

The leaves of a tree use energy from _____________to make food.

a)
a. sunlight
b)
b. carbon dioxide
c)
c. dirt
d)
d. water
5.

Living things get food, water, and shelter from their environment. What would happen if the environment changes?

a)
No animals will survive.
b)
No plants will survive.
c)
The living things may have to adapt to the changes.
6.

When plants and animals cannot adapt to their environment, their population _____.

a)
a. dies off
b)
b. survives
c)
c. grows bigger
d)
d. stays the same
7.

What resources in an ecosystem would an animal need to compete over? (HINT-Choose 3.)

a)
a. water
b)
b. carbon dioxide
c)
c. food
d)
d. space
e)
e. sunlight
8.

The living and nonliving things that interact in the environment are called an ____.

a)
competition
b)
resource
c)
ecosystem
9.

A material or object a living thing uses to survive is a __________________.

a)
competition
b)
resource
c)
ecosystem
10.

If a source of food in an ecosystem decreases for a population of snakes, which of the following is NOT LIKELY to happen?

a)
a. The number of snakes in the population decreases.
b)
b. Some snakes will move areas to find more food.
c)
c. Some snakes will try to find a different food source.
d)
d. The number of snakes in the population increases.
11.

The struggle among organisms for food, water or other resources is called _____.

a)
competition
b)
resource
c)
ecosystem
12.

Which helps a fish survive in its environment?

a)
a. fins
b)
b. lungs
c)
c. hair
d)
d. sticky tongue