GRADE 4_ SCIENCE_Q2EXAM_TW

Mammals, fish, birds, reptiles, and amphibians are all ____.

• invertebrate

• vertebrate

What is the major difference between vertebrates and invertebrates?

• Vertebrates have a backbone and invertebrates do not.

• Invertebrates live in water and vertebrates do not.

• Invertebrates have a backbone and vertebrates do not.

• Invertebrates are smaller than vertebrates.

Which group does it belongs to?

• invertebrate

• vertebrate

What are cold blooded vertebrate animals with dry and scaley skin called?

• amphibians

• reptiles

• birds

• fish

They are hairy and warm blooded animals that feed their babies with their milk.

• mammals
• reptiles

• amphibians

• birds

Which animals are covered with outside skeleton or exoskeleton?

• fish and jelly fish

• shrimp and lobster

• shells and seaweeds

• algae and squid

Plants in deserts have long roots and big stems so that they ___.

• take up more space

• help avoid deterioration of the soil

• provide food for animals underground

• absorb and store more water

Why do some plants have leaves and stems that are waxy?

• So animals don't eat them.

• Helps to reduce water loss.

• To make them look beautiful.

What is an adaptation?

• A feature that helps a plant grow.
• A feature that helps a living thing survive.
• A feature that helps a living thing walk.
• A feature that that helps only animals survive. 

Plants that grow on land are called ______.

• Aquatic

• Terrestrial

• Habitat

• Mangrove