grade 5 , con 2 , lesson 1

A community that includes living organisms and norliving things is known as

• digestive system

• respiratory systion

• ecosystem

• vascular system

The interaction that presents in an ecosystem occurs between

• plants and nonliving things only

• animals and nonliving things only

• animals and plants only

• living organisms and nonliving things

Living organisms that can absorb sunlight to make their own food are

• animals only

• plants only

• humans and plants

• animals and plants

Hawks get their energy from

• plants only

• animals only

• plants and animals

• nonliving things

Hawk eats a rabbit to get energy, this means that

• the hawk is a prey

• the hawk is a predator

• hawk and rabbit are predators

• the rabbit is a predator

All the following are considered as a source of energy for hawks, except

• snakes

• birds

• squirrels

• seeds

There is an energy flow between all the following two living organisms, except

• a lion and a deer

• a human and a fish

• a tomato plant and a potato plant

• a predator and its prey

Caracal obtains its energy by eating

• shark

• grass

• mice

• butterfly

Which one of the following living organisms can make its own food?

• Grass

• A worm

• A rodent

• A bird

We need more energy during

• watching TV

• sleeping

• listening to music

• physical exercises