Animals
Animlas often seek a safe place, or _________________, to protect themselves.
shelter
Which nonliving parts of an environment do all living things need to survive?
A: rocks and fire
B: water and space
C: soil and carbon
D: fire and wood
B: water and space
Living things ______________, or react to the world around them.
respond
Plants come in different __________________ and _____________.
shapes, sizes
Name a bird that cannot fly.
penguin
A substance that helps living things grow and stay healthy is a _________________.
nutrient
Mammals breathe with their __________________.
lungs
To ________________ means to make more of one's own kind.
reproduce
stem
Amphibians breathe through their lungs or _______________.
skin
An animal without a back bone is called an _________________.
invertebrate
What is an exoskeleton?
A hard thin covering that protects the body of an invertebrate.
Give three examples of nonliving things that can be found in nature.
rocks, soil, water
How do plants take in water?
Through the root.
Scientists group, or _______________, animals so that they can study them.
classify
Living things are made of one or more tiny __________.
cells
Give two examples of an invertebrate.
Living things get everything they need to survive from their ___________________.
environment
This is the structure where the plant makes food.
leaf
Feet, legs, and wings help different animals _______________.
move
Which structure helps birds obtain food?
A: wings
B: feathers
C: claws
D: beak
D: beak
Animals move toward food and away from _____________.
danger
Animals need this gas to surivive.
oxygen
_________________ is a substance inside the plant's cell. It gives leaves their green color.
Chlorophyll
Every living thing can be called an.
A: cell
B: invertebrate
C: vertebrate
D: organism
D: organism