Animal Structures and Crayfish Test

How do scientists classify living things into groups?

• by their size and age

• by their names

• by ways they are alike

Tags

NGSS.MS-LS4-2

If something needs food, water, and air to survive, and it also grows and reproduces, it is...

• nonliving

• ONCE Living

• living

Tags

NGSS.MS-LS1-1

Which is NOT a mammal?

• cat

• dog

• crayfish

• cow

Birds’ bodies are covered with _______________.

• hair

• scales

• eggs

• feathers

Which animals have gills to help them breathe?

• reptiles

• fish

• birds

• mammals

How might an animal respond to a sudden bright light?

• blinking eyes

• increased heartbeat

• sweating

• shivering

Tags

NGSS.MS-LS1-8

What structural adaptation would best help a giraffe reach its food more easily?

• darker spots

• sharp teeth

• long neck

• big ears

Why are a duck's feathers oily?

• It keeps bugs away from them

• it keeps feathers from getting soaked and helps the duck to float

• it keeps them neat and in place

• it keeps them from freezing in the winter

What part of a human's body has the same function as a crayfish's outer skeleton (exoskeleton)?

• bones

• skin

• hair

• teeth

Tags

NGSS.MS-LS4-2

Look at the picture. What do you think the cat might be sensing with its vision?

• friends

• danger

• food

• shelter

Tags

NGSS.MS-LS1-8