Revision lesson 1and 2

A student observes the following activities while walking on the beach.

-A seagull catching a fish.

-A crab digging in the sand.

-A child playing with their dog.

-A shrimp hiding in seaweed.

Which of these living organisms was interacting with a nonliving part of the environment?

• seagull

• shrimp

• child

• crab

What is the producer in this food chain;

Sun---Tree---giraffe---tiger

• Sun
• tiger
• giraffe
• Tree

Mushroom is considered as....................in any food chain.

• A producer
• A decomposer
• A predator
• A prey

All plants considered as........................in the food chain, and all animals considered as ................................................................in the food chain.

• producers - consumers

• consumers - producers

• plants - producers

• consumers - animals

Choose all that apply;

...........................are considered as an abiotic factor in an ecosystem.

• sun

• air

• soil

• tree

• rabbit

Choose all that apply;

............................... are considered as the biotic factor in an ecosystem.

• butterfly

• frog

• apple tree

• soil

• air

Choose all that apply;

............................... are considered as the biotic factor in an ecosystem.

• butterfly

• frog

• apple tree

• soil

• air

The...............................can hunt and eat other animals, while the animal that had been eaten called.................................

• predator - prey

• prey - predator

• producer - prey

• predator - producer

Organisms that are too small to be seen are called..................................

• producers

• microbes

• plants

• consumers

..........................is considered as the main source of in any food chain.

• Animal

• Plant

• Sun

• Cloud