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4th Grade All Life Science Review

Total questions: 58

Worksheet time: 1hrs 19mins

Name
Class
Date
1.

all stages of a living thing, from beginning to death

a)

life cycle

b)

reproduction

c)

offspring

d)

metamorphosis

2.

Animals that change form as they become adults

a)

metamorphosis

b)

offspring

c)

life cycle

d)

reproduction

3.

This is the second stage of a the life cycle of an animal that goes through a complete metamorphosis

a)

eggs

b)

larva

c)

pupa

d)

adult

4.

The third stage in the life cycle of an animal that goes through a complete metamorphosis. This is the stage before adult, and in this stage, the animal usually makes a hard case around itself as it changes inside.

a)

pupa

b)

larva

c)

eggs

d)

adult

5.

The second stage in the life cycle in animals that go through an incomplete metamorphosis; this stage is after the egg, and right before adult

a)

pupa

b)

larva

c)

nymph

d)

egg

6.

a characteristic that a living thing gets from its parents

a)

inherited trait

b)

learned behavior

c)

acquired trait

d)

instinct

7.

A way a living thing responds, or reacts, to its surroundings, such as building a nest

a)

behavior

b)

instict

c)

trait

d)

environment

8.

inherited behaviors to help animals survive in their environment

a)

instinct

b)

trait

c)

behavior

d)

life cycle

9.

a characteristic that a living thing gets in its lifetime, such as a scar or bent wing. They are not born with them, nor will they pass them on to their offspring.

a)

inherited trat

b)

acquired traint

c)

instinct

d)

behavior

10.

When an animal is inactive during the winter or colder months, but do move around to get food

a)

hibernate

b)

dormant

c)

shed

d)

migrate

11.

When the seed of a plant sprouts

a)

germinate

b)

pollen

c)

response

d)

reproduce

12.

Flowers produce this powdery material; it forms in the male part of the flower and is used in reproduction of the plant

a)

pollen

b)

embryo

c)

seed

d)

flower

13.

a living thing that makes its own food

a)

producer

b)

consumer

c)

omnivore

d)

herbivore

14.

these get energy by eating other living things

a)

consumers

b)

producers

c)

decomposers

d)

cones

15.

a model that shows how energy flows from one living thing to another

a)

food chain

b)

table

c)

chart

d)

graph

16.
What is an adaptation?
a)
A feature or behavior that helps an animal survive.
b)
The food that an animal eats.
c)
How energy moves in a food web.
d)
How animals evolve throughout time.
17.
Why is it important for you animals to use camouflage?
a)
it warns predators to stay away
b)
it startles them with a flash of color
c)
it makes them look dead so predators won't eat them
d)
it hides them from predators while their parents are away
18.
What does it mean to hibernate?
a)
To change your physical characteristics
b)
To sleep for an extended period of time during the winter
c)
To travel to a warmer location
d)
To eat all the oreos
19.
_________ is when animals move from one place to another due to seasonal change, following a food or water source, or to find a mate and give birth.
a)
body covering
b)
omnivore
c)
migration
d)
herbivore
20.
Why is a deer classified as a herbivore?
a)
A deer makes its own food.
b)
A deer eats only plants.
c)
A deer eats only animals.
d)
A deer eats plants and animals.
21.
Why is a racoon classified as an omnivore?
a)
A racoon eats only animals.
b)
A racoon eats only plants.
c)
A racoon makes its own food.
d)
A racoon eats plants and animals.
22.
Why are plants called producers?
a)
They make carbon dioxide
b)
They decompose
c)
They make their own food
d)
They are omnivores
23.
Living things that eat other living things are called...
a)
Consumers
b)
Carnivores
c)
Omnivores
d)
Animals
24.

__________________ are consumers that eat ONLY MEAT (other animals)?

a)

Omnivores

b)

Carnivores

c)

Producers

d)

Herbivores

25.
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
a)
The rabbit population may increase
b)
The rabbit population may decrease
c)
The rabbit population may increase first, then decrease
d)
The rabbit population will remain the same
26.

Review the food chaine below:

berry--->mouse--->snake

A mouse is storing the energy from a berry. When a snake eats the mouse, what happens to the energy from the berry?

a)

The energy returns to the berry.

b)

The energy will be completely lost.

c)

The energy will be absorbed by the snake.

d)

The energy will be transferred to another mouse.

27.

What is the best explanation for a decrease in a population of birds in a community?

a)

The amount of food decreases.

b)

The amount of space increases.

c)

The amount of water increases.

d)

The amount of air stays the same.

28.

Which of the following living things cannot make its own food?

a)

moss

b)

daisy

c)

oak tree

d)

cricket

29.

Which of the following food chains BEST describes the flow of energy in a living system?

a)

corn-->human-->chicken

b)

corn-->chicken-->human

c)

chicken-->human-->corn

d)

human-->corn-->chicken

30.

Florida is a southern state; Montana is a northern state. The grass on mot lawns in Florida will stay green all year, but the grass in Montana will turn brown in the fall and green in the spring.

What is the most likely reason?

a)

more rain keeps the grass in Florida green.

b)

less direct sunlight in Florida keeps the grass green.

c)

higher amounts of nutrients keep the grass in Florida green.

d)

more direct sunlight in Florida keeps the grass in Florida green.

31.

Some trees up north, like some apple trees, need a dormant period during the cold winter for the fruti to develop in spring. How is this different from orange trees in Florida?

a)

Orange trees need much less water.

b)

Orange trees need full sun.

c)

Orange trees only grow fruit in winter.

d)

Orange trees do not need as much sunlight as apple trees.

32.

Which is the BEST way to positively impact the environment?

a)

Clean your room each day.

b)

Start a recycling program at school.

c)

Brush your teeth 2-3 times a day.

d)

Ride your bike more, and walk less.

33.

Look at the food chain. What will happen is the level of snakes DECREASE?

a)

Frogs will decrease

b)

Hawks will decrease

c)

Hawks will Increase

d)

Grasshoppers will increase

34.

Florida is home to the Greater Siren, a very large salamander. This animal is sometimes called a mud eel, but it is not an eel. Just like frogs, salamanders lay eggs that become tadpoles. At what stage of metamorphosis can a salamander lay eggs?

a)

pupa

b)

larva

c)

egg

d)

adult

35.

The Eastern Lubber grasshopper is a common sight in Florida. This grasshopper can get as long as 7 cm. The female grasshopper lays eggs in the Spring, and these eggs hatch into nymphs. Nymphs look like small adults but without wings. Which of the following statements is true about the Eastern Lubber grasshopper?

a)

This grasshopper does not go through reproduction.

b)

This grasshopper can fly shortly after the eggs hatch.

c)

This grasshopper goes through complete metamorphosis.

d)

This grasshopper goes through incomplete metamorphosis.

36.

The most common stick bug in Florida is the Two-striped Walkingstick. Stick bugs undergo incomplete metamorphosis. What is the main difference between the life stages of stick bugs and insects that undergo complete metamorphosis like butterflies?

a)

Stick bugs do not lay eggs.

b)

Stick bugs do not form pupae.

c)

Stick bugs reproduce by giving birth to live young.

d)

Stick bugs develop directly from an egg to an adult.

37.

The Darkling Beetle goes through complete metamorphosis to form. What are the stages of complete metamorphosis?

a)

egg, nymph, adult

b)

egg, larva, pupa, adult

c)

egg, larva, nymph, pupa, adult

38.

The Spotted Bass is a fish that is found in the streams and rivers of the Panhandle region of Florida where it feeds on small organisms such as frogs, crustaceans, and insects. What life stage does the Spotted Bass have in common with its food sources (frogs, curstaceans, and insects)?

a)

egg

b)

larva

c)

pupa

d)

tadpole

39.

A female Green turtle lays and buries her eggs in the sand on the beach. The table below shows the temperature of some of the eggs as they are developing. Based on the data in the table, what will scientists most likely conclude about the gender of a Green turtle?

a)

There will always be a certain number of eggs.

b)

Warmer eggs will be female Green turtles.

c)

More Green turtles are female than male.

d)

Male turtle eggs are below 80°F/27°C.

40.

Jesse and Jacob are twins. The table below describes some of the boys’ physical characteristics. What conclusion can be made from the data in the table?

a)

Heredity determines all their characteristics.

b)

The environment determines all their characteristics.

c)

Both heredity and the environment determine their characteristics.

d)

Neither heredity nor the environment determines their characteristics.

41.

An arctic hare’s fur is brown in the summer and white in the winter. What is the most likely cause for this change in fur color?

a)

learned behavior

b)

inherited behavior

c)

the beginning of the migration season

d)

the beginning of the hibernating season

42.

Ms. Leon asks Alicia to describe four things she did that morning. Alicia shares that she rode her bicycle to school, spoke Spanish with her friend, jumped when the fire alarm sounded, and finished her science and math homework. What did Alicia do that was NOT a learned behavior?

a)

Alicia rides her bicycle to school.

b)

Alicia speaks Spanish with her friend.

c)

Alicia jumps when the fire alarm sounded.

d)

Alicia finishes her science and math homework.

43.

Gray whales make one of the longest migrations of any mammal on earth. Every year of their lives, they swim more than 10,000 miles roundtrip. They swim from Mexico to the Arctic, and then back again. When the gray whales are in Mexico, their young are born. Then they swim north to the feeding grounds in the Arctic. Their route is shown on the map. Which of the following describes the animal behavior of migration?

a)

learned behavior

b)

inherited behavior

c)

environmental behavior

d)

acquired behavior

44.

Your friend has a new puppy. Which of the following behaviors will the puppy need to learn?

a)

The puppy will have to learn to bark.

b)

The puppy will have to learn to eat.

c)

The puppy will have to learn to grow.

d)

The puppy will have to learn to roll over.

45.
Which term describes the life cycle of this insect?
a)
complete metamorphosis
b)
incomplete metamorphosis
c)
migration
d)
pollination
46.
Gray bats are an endangered species. Gray bats live in caves. People sometimes visit caves and can disturb the bats. Bats that are disturbed during winter hibernation use up their stores of energy and do not survive the winter. Which of these best explains why gray bats have become endangered?
a)
disease
b)
pollution
c)
human presence
d)
climate change
47.

Mr. Poloski asks his science class to show how energy flows through a community of plants and animals. He makes three signs and asks three students to each choose a sign. The table shows what sign each student picks. Mr. Poloski asks the students to line up to model how energy flows through a community. Which shows the correct order as to how the students should line up?

a)
b)
c)
d)
48.

The Sun provides the energy to be used by the living things in the forest food chain shown. Which of the following describes a transfer of energy from a producer to a consumer?

a)

from grass to grasshopper

b)

from owl to mouse

c)

from grass to sun

d)

from mouse to owl

49.

The apple snail is an important part of food chains found in Florida’s marshes. The apple snail is also part of many home aquariums. One reason people like to place them in fish tanks is that the apple snail is the largest freshwater snail on Earth. However, people who have snails in their fish tanks should never release them into local ponds or rivers. What is the reason for this?

a)

Apple snails will not survive in the ponds and rivers.

b)

Apple snails will threaten life in the ponds and rivers.

c)

Apple snails will not grow as large in ponds and rivers.

d)

Apple snails will no longer be part of food chains in Florida marshes.

50.

Each summer, Rabin and his family take a vacation at an ocean cottage. This year, they learn that they cannot swim in the ocean because of an oil spill. What effect will the oil spill most likely have on the environment?

a)

The air near the oil spill will develop smog.

b)

The temperature of the water will increase.

c)

The number of cloudy days at the shore will increase.

d)

Fish and water birds will become coated with oil and die.

51.

In some parts of the Florida Everglades, sawgrass can grow thick enough to block the flow of water. Alligators make nests out of sawgrass and also make travel lanes through the grass. This helps the water flow easily It also keeps the sawgrass from being completely underwater, which can damage the sawgrass. What relationship is demonstrated by the alligators and sawgrass in the Everglades?

a)

Alligators destroy sawgrass.

b)

Alligators feed on sawgrass.

c)

Sawgrass helps the alligators travel.

d)

Sawgrass and alligators depend on each other.

52.

Which of the following shows the correct order of a frog’s life cycle?

a)

A. tadpole, young frog, egg, adult frog

b)

B. adult frog, egg, young frog, tadpole

c)

C. egg, tadpole, young frog, adult frog

d)

D. young frog, egg, adult frog, tadpole

53.

In the spring, some golden eagles fly north over Pennsylvania. In the fall, they fly back south for the winter. Which statement best describes why these golden eagles live in southern areas in winter?

a)

A. In northern areas, there is less food for eagles in winter.

b)

B. In northern areas, there are more competing birds in winter.

c)

C. In southern areas, there are fewer eagle predators in winter.

d)

D. In southern areas, there is more space for eagle nesting in winter.

54.

Select the correct answer.

What insects is it that helps pollinate plants?

a)

Mosquito

b)

Bee

c)

Fly

d)

Bird

55.

Select the correct answer.

What part of the plant has the red circle?

a)

Pistl

b)

Stamen

c)

Sepal

d)

Petal

56.

Select the correct answer.

What part of the plant has the blue circle?

a)

Pistil

b)

Petal

c)

Stamen

d)

Sepal

57.

Select the correct answer.

What part of the plant has the black circle?

a)

Sepal

b)

Petal

c)

Stamen

d)

Pistil

58.

Select the correct answer

a)

Humans

b)

Animals Vertebrates

c)

Pets

d)

Animals Invertebrates