All the following are types of food for primary consumers, except

• Grasses

• Seeds

• Fruits

• Eagles

Both animals and humans bodies..........

• breathe carbon dioxide gas

• can absorb sunlight to make their own food.

• cannot absorb sunlight to make their own food.

• don't need water to drink

A hawk can eat ....... when snakes are completely disappear from an ecosystem

• grasses1

• grasshoppers,

• leaves

• birds

It is better for any predator to depend on........to get its energy and survive

• one species of consumers only

• many species of consumers

• one species of decomposers only

• many species of decomposers

All types of plants are similar in all the following characters, except they................

• are able to make photosynthesis process.

• are eaten by primary consumers.

• can feed on predators.

• live in different types of ecosystems.

Human is a........living organism.

• producer

• consumer

• decomposer

• predator

The predator in a food web usually eats more than one type of..........

• producers.

• consumers.

• decomposers.

• plants.

A snake is a predator for mice, while snake is considered as a prey for..........

• rabbit.

• frog.

• eagle.

• deer.

Rabbits eat all the following types of food, except........

• grasses.

• carrots.

• seeds.

• insects.

If there is no primary consumers in an ecosystem, the producers will................

• increase.

• decrease.

• die.

• not be affected.