Which fo the following is an abiotic factor found in this ecosystem?

Question

Question 1 options:

Fish

Lillypads

Water

Dragonflies

Answer 1

Water

Answer 2

During the 2004 Tsunami, saltwater flowed inland killing plants and insects in the soil. The saltwater caused a change in the environment. In this example a ____ change caused a _____ change.
Question 2 options:

abiotic, biotic

abiotic, abiotic

biotic, biotic

biotic, abiotic

Answer 3

abiotic, biotic

Answer 4

Food chains always start with which kind of organism?
Question 3 options:

Decomposer

Consumer

Carnivore

Producer

Answer 5

Producer

Answer 6

A landowner sprays his land with pesticide to kill insects. Refering to the food chain above for the land, which of the following would most likely happen due to this change?

Question 4 options:

Bluebird population will decrease due to less food

Snake population will increase due to more bluebirds

Grass population will decrease

Grasshopper population will increase

Answer 7

Grasshopper population will increase

Answer 8

Based on the desert food chain provided, which change in the ecosystem would have the greatest negative effect?

Question 5 options:

A disease kills most of the owls

Mouse population decreases due to widespread poison

Grasshopper eggs fail to hatch due to flooding

A drought that kills most of the grass

Answer 9

A drought that kills most of the grass