Animals
What is the main job of the respiratory system?
A. To help you think
B. To help you breathe
C. To help you run
D. To help you sleep
B. To help you breathe
Which is an example of your nervous system working?
A. Breathing air to take in oxygen
B. Blinking when something gets close to your eye
C. Eating lunch for energy
D. Drinking water to keep hydrated
B. Blinking when something gets close to your eye
Why can’t your body move without both muscles and bones?
A. Muscles make blood only
B. Bones are too fragile
C. Muscles pull on bones to create movement
D. Bones and muscles don’t work together
C. Muscles pull on bones to create movement
How does the excretory system help keep your body healthy?
A. By making you taller
B. By removing harmful wastes
C. By helping you run faster
D. By making food
B. By removing harmful wastes
What's an offspring that is an exact copy of its parent?
clone
What is fertilization?
A. When egg and sperm join
B. When animals eat
C. When animals sleep
D. When animals grow
A. When egg and sperm join
what's a nervous system?
the set of organs that uses information from the senses to control all body systems
Which shows the circulatory system helping your body?
A. Blood carrying oxygen to your cells
B. Bones supporting your body
C. Skin healing a cut
D. Eyes seeing light
A. Blood carrying oxygen to your cells
What does blood carry to body cells?
A. Rocks
B. Oxygen, food, and water
C. Sand
D. Air only
B. Oxygen, food, and water
Which organ pumps blood through the body?
A. Brain
B. Lungs
C. Heart
D. Stomach
C. Heart
How many chambers does a fish heart have?
A. One
B. Two
C. Three
D. Four
B. Two
How many chambers does a mammal’s heart have?
A. Two
B. Three
C. Four
D. Five
C. Four
Which organs filter waste from the blood?
A. Heart and lungs
B. Liver and kidneys
C. Eyes and ears
D. Skin and bones
B. Liver and kidneys
What makes up the circulatory system?
A. Brain, nerves, bones
B. Eyes, ears, nose
C. Lungs, skin, muscles
D. Heart, blood, blood vessels
D. Heart, blood, blood vessels
What type of metamorphosis do grasshoppers have?
A. Incomplete
B. Complete
C. No change
D. Fast change
A. Incomplete (egg->nymph->adult)
What are the stages of a butterfly’s life cycle?
A. Baby → child → adult
B. Egg → larva → pupa → adult
C. Egg → adult
D. Larva → egg → adult
B. Egg → larva → pupa → adult
What does a fertilized egg become?
A. Bone
B. Embryo
C. Skin
D. Blood
B. Embryo
How do simple animals like cnidarians reproduce?
A. giving birth
B. laying eggs
C. Flying
D. Budding
Budding
What is regeneration?
A. a completely identical copy of parents
B. Growing from a small part into a whole animal
C. Rebuilding lost parts
D. Creating a duplicate organism
B. Growing from a small part into a whole animal
Which is an example of regeneration?
A. A lizard growing back its tail
B. A dog barking loudly
C. A bird flying in the sky
D. A fish swimming fast
A. A lizard growing back its tail
What happens during incomplete metamorphosis?
A. The animal changes completely
B. The young looks like a small adult
C. The animal skips growing
D. The animal stays the same
B. The young looks like a small adult
What does the nervous system include?
A. Brain, spinal cord, nerves, and sense organs
B. Bones and muscles
C. Heart and blood
D. Skin and lungs
A. Brain, spinal cord, nerves, and sense organs
Which group has THREE heart chambers?
A. Fish
B. Birds
C. Mammals
D. Amphibians
D. Amphibians
Why do animals need the circulatory system?
A. To help them sleep
B. To helpthem grow
C. To help them sense
D. To move blood, oxygen, and nutrients around the body
D. To move blood, oxygen, and nutrients around the body
Which of these is a waste product from cells?
A. Oxygen
B. Food
C. Carbon dioxide
D. Water only
C. Carbon dioxide