Life Processes: Essential Functions for Living Organisms

Question 1

What do plants NOT need to grow and stay healthy?

Accepted Answer

Candy

Answer

Water

Answer

Sunlight

Answer

Air

Question 2

Which of these is NOT something that plants need to survive?

Accepted Answer

Oxygen

Answer

Water

Answer

Sunlight

Answer

Nutrients

Question 3

What do living things **not** need to survive?

Accepted Answer

A bed

Answer

Air

Answer

Water

Answer

Food

Question 4

What do plants need to live?

Accepted Answer

Sunlight and water

Answer

Food and air

Answer

Water and air

Answer

Sunlight and food

Question 5

What do plants NOT need to grow?

Accepted Answer

Pizza

Answer

Water

Answer

Sunlight

Answer

Air

Question 6

What do all living things need to survive?

Accepted Answer

Food

Accepted Answer

Water

Answer

A bed

Answer

A TV

Question 7

Plants and animals both need water to survive. What do plants need instead of air?

Accepted Answer

Sunlight

Answer

Water

Answer

Air

Question 8

What do plants need most to make their own food?

Accepted Answer

Sunlight and water

Answer

Air and soil

Answer

Nutrients from the soil

Question 9

Which of these is NOT something that all living things need to survive?

Accepted Answer

Technology

Answer

Air

Answer

Water

Answer

Food

Question 10

What do living things need to stay alive?

Accepted Answer

Food and water

Answer

Clothes and a home

Answer

Friends and family

Question 11

What do all living things need to stay alive?

Accepted Answer

Water

Accepted Answer

Food

Accepted Answer

Air

Answer

A bed

Question 12

Plants need sunlight to make their own food. Which part of the plant helps it capture sunlight?

Accepted Answer

Leaves

Answer

Roots

Answer

Stem

Question 13

How do animals get oxygen to release energy from food?

Accepted Answer

Respiration

Answer

Photosynthesis

Answer

Reproduction

Answer

Excretion

Question 14

How do plants create their own food?

Accepted Answer

Photosynthesis

Answer

Breathing

Answer

Making babies

Answer

Eating

Question 15

Which animal can breathe through its skin?

Accepted Answer

Frog

Answer

Dog

Answer

Bird

Question 16

How do plants use sunlight?

Accepted Answer

Make their own food

Answer

Breathe

Answer

Make new plants

Answer

Drink water

Question 17

Plants make their own food. What do they use to get the energy they need?

Accepted Answer

Sunlight

Answer

Water

Answer

Soil

Answer

Air

Question 18

How do plants make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Answer

Growth

Question 19

At what stage does a caterpillar transform into a butterfly?

Accepted Answer

When it spins a cocoon

Answer

When it hatches from an egg

Answer

When it feeds on leaves

Question 20

During photosynthesis, what gas do plants release?

Accepted Answer

Oxygen

Answer

Nitrogen

Answer

Carbon dioxide

Answer

Hydrogen

Question 21

What is an important part of a plant's life cycle?

Accepted Answer

Growing from a seed

Answer

Eating food

Answer

Sleeping

Answer

Laying eggs

Question 22

In the life cycle of a butterfly, which stage involves the caterpillar forming a hard shell and transforming into a butterfly?

Accepted Answer

Chrysalis

Answer

Egg

Answer

Caterpillar

Question 23

What part of a plant takes in water and nutrients from the ground?

Accepted Answer

Roots

Answer

Leaves

Answer

Stems

Answer

Flowers

Question 24

What do plants need most to make their own food?

Accepted Answer

Sunlight

Answer

Water

Answer

Air

Answer

Soil

Question 25

What do animals need to breathe in order to live?

Accepted Answer

Air

Answer

Sunlight

Answer

Water

Answer

Soil

Question 26

How do living things create more of themselves?

Accepted Answer

Reproducing

Answer

Growing

Answer

Breathing

Answer

Eating

Question 27

What do plants need besides sunlight and water to make their food?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Soil

Answer

Insects

Question 28

Which of the following is NOT a nutrient that animals need to survive?

Accepted Answer

Sunlight

Answer

Protein

Answer

Carbohydrates

Answer

Water

Question 29

What does a green plant take in through its roots to make its own food?

Accepted Answer

Water

Answer

Carbon dioxide

Answer

Oxygen

Answer

Sunlight

Question 30

When a plant creates a new plant, what tiny part grows into the new plant?

Accepted Answer

Seed

Answer

Root

Answer

Leaf

Answer

Stem

Question 31

Plants use sunlight to create their own food. What is this process called?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Answer

Decomposition

Question 32

What do plants NOT need to survive?

Accepted Answer

Food

Answer

Sunlight

Answer

Water

Answer

Air

Question 33

How do living things make sure their babies have similar traits?

Accepted Answer

By passing on special information in their bodies

Answer

By sharing their favorite foods

Answer

By teaching their babies how to act

Answer

By changing their own appearance

Question 34

What do only plants need to survive?

Accepted Answer

Sunlight

Answer

Digging holes

Answer

Swimming

Question 35

When animals have babies, what is the process called?

Accepted Answer

Reproducing

Answer

Growing

Answer

Eating

Answer

Breathing

Question 36

How do food chains and food webs show how living things are connected to each other?

Accepted Answer

They show that all living things depend on each other for food and energy.

Answer

They show that some animals only eat one type of food.

Answer

They show that the biggest animals always eat the smallest ones.

Answer

They only exist in water, not on land.

Question 37

Imagine you're an animal living in a super cold place like the Arctic. What special feature could help you stay alive in that freezing place?

Accepted Answer

A thick, furry coat

Answer

Ability to change color

Answer

Long, webbed feet

Question 38

Which of these is NOT an adaptation that helps an animal survive in its environment?

Accepted Answer

A human's ability to learn and adapt to new environments

Answer

A bird's beak that is shaped to eat seeds

Answer

A polar bear's thick fur coat

Answer

A cheetah's speed

Question 39

How do food chains show the flow of energy in ecosystems?

Accepted Answer

Food chains show how energy passes from one living thing to another.

Answer

Food chains show how animals compete for food.

Answer

Food chains show how plants use sunlight to make food.

Answer

Food chains have no connection to other living things.

Question 40

How do plants and animals get the food they need to survive?

Accepted Answer

Plants make their own food, and animals eat plants.

Answer

Animals make their own food, and plants eat animals.

Answer

Both plants and animals eat each other.

Answer

Both plants and animals get their food from the air.

Question 41

Experiment Design: You want to investigate how light influences the rate of photosynthesis in a plant. Design an experiment to test this effect.

Accepted Answer

Option 1: Grow two plants, one in light and one in darkness, and measure the oxygen produced by each.

Answer

Grow two plants, one with water and one without, and measure their heights.

Answer

Grow two plants, one with water and one without, and measure their heights.

Answer

Grow two plants, one with water and one without, and measure their heights.

Question 42

In a forest, the environment can support a maximum of 400 deer. What will happen if the deer population grows to 600?

Accepted Answer

The deer population will decrease because there won't be enough food and space for all.

Answer

The deer population will remain the same because there is enough food and space for all.

Answer

The carrying capacity will increase because the deer will find new food sources.

Question 43

How do plants and animals obtain the energy they need to stay alive?

Accepted Answer

Plants create their own food through photosynthesis, while animals consume plants or other animals for energy.

Answer

Animals create their own food through photosynthesis, while plants consume animals for energy.

Answer

Both plants and animals create their own food through photosynthesis.

Answer

Both plants and animals obtain energy by consuming other animals.

Question 44

Food webs show how living things in a forest are connected through eating and being eaten. What is an important thing we can learn from food webs?

Accepted Answer

How changing one part of a food web can affect the whole web.

Answer

Who lives in the biggest tree.

Answer

How plants use sunlight to make food.

Answer

How to catch the most fish.

Question 45

What is the process by which plants make their own food called?

Accepted Answer

A. Photosynthesis

Answer

B. Respiration

Answer

C. Digestion

Answer

D. Circulation

Question 46

What do animals and humans use to breathe?

Accepted Answer

A. Oxygen

Answer

B. Carbon dioxide

Answer

C. Nitrogen

Answer

D. Helium

Question 47

Which of the following is an example of a reptile?

Accepted Answer

B. Snake

Answer

A. Dog

Answer

C. Fish

Answer

D. Bird

Question 48

What is the process by which animals break down food into smaller molecules for energy called?

Accepted Answer

C. Digestion

Answer

A. Photosynthesis

Answer

B. Respiration

Answer

D. Circulation

Question 49

Which of the following is NOT a stage in the life cycle of a plant?

Accepted Answer

C. Pollination

Answer

A. Germination

Answer

B. Growth

Answer

D. Reproduction

Question 50

Scientists use the scientific method to learn about the world. What are the steps in the scientific method in the correct order?

Accepted Answer

Make a prediction, do an experiment, collect data, draw a conclusion

Answer

Make a guess, test it, repeat the experiment

Answer

Collect data, draw a conclusion, make a prediction, do an experiment

Answer

Draw a conclusion, make a guess, do an experiment, collect data

Question 51

What are some ways we can help protect the environment and keep different plants and animals alive?

Accepted Answer

Reduce, reuse, and recycle materials.

Accepted Answer

Use public transportation instead of driving whenever possible.

Answer

Throw litter anywhere.

Answer

Cut down trees without planting new ones.

Question 52

To make food, plants need ______, ______, and _______.

Accepted Answer

Water, sunlight, and air

Answer

Soil, water, and sunlight

Answer

Air, fertilizer, and water

Answer

Sunlight, heat, and fertilizer

Question 53

Plants breathe through tiny holes on their leaves called _______.

Accepted Answer

Stomata

Answer

Lungs

Answer

Gills

Answer

Trachea

Question 54

When plants make food, they release _______.

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Water

Answer

Nitrogen

Question 55

What gives us energy to move and play?

Accepted Answer

Food

Answer

Sunlight

Answer

Water

Answer

Air

Question 56

How do plants take in water and nutrients?

Accepted Answer

Through their roots

Answer

Through their leaves

Answer

Through a process called osmosis

Answer

Through the air

Question 57

Which of the following is NOT a life process that all living things need to survive?

Accepted Answer

Sleeping

Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Question 58

What is the name of the process by which plants use sunlight to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Answer

Excretion

Question 59

What process do plants and animals use to release energy from food?

Accepted Answer

Respiration

Answer

Photosynthesis

Answer

Reproduction

Answer

Circulation

Question 60

What stage comes after the caterpillar stage in a butterfly's life cycle?

Accepted Answer

Pupa

Answer

Egg

Answer

Caterpillar

Answer

Butterfly

Question 61

When plants make their own food, what do they release into the air?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Water

Question 62

What is the main reason why animals mate?

Accepted Answer

To have offspring

Answer

To find food

Answer

To protect themselves

Answer

To communicate

Question 63

When an insect changes its body, like a worm becoming a butterfly, what is this process called?

Accepted Answer

Metamorphosis

Answer

Photosynthesis

Answer

Respiration

Answer

Reproduction

Question 64

How do photosynthesis and respiration work together to provide food and oxygen for living things?

Accepted Answer

Photosynthesis uses sunlight to make food from carbon dioxide and water, while respiration uses food and oxygen to release energy.

Answer

Photosynthesis uses food and produces oxygen, while respiration uses oxygen and produces food.

Answer

Respiration uses oxygen to make food, while photosynthesis uses food and sunlight to produce oxygen.