Ecology Review

According to the food web, which of the following organisms can be classified into more than one trophic level? 

• grasshopper
• owl
• rabbit
• frog

Which of the following correctly lists the flow of matter in the food web above?

• plants, animals, nematodes, arthropods

• animals, nematodes, arthropods, plants

• plants, nematodes, arthropods, animals

• nematodes, plants, arthropods, animals

Based on the food web shown above, which of the following is most likely responsible for the rabbit population trend as shown in the graph? 

• increase in amount of grass
• decrease in amount of grass
• overpopulation in squirrel population
• increase in rabbit population

Tell if the item is an abiotic factor or biotic.....

TREE

• Abiotic

• Biotic

Tell if the item is an abiotic factor or biotic.....

Water

• Abiotic

• Biotic

Abiotic factors in the environment are all __________. 

• living
• nonliving

Energy in an ecosystem is used for growth or lost as __________

• light
• heat
• death
• biomass

Algae, grasses and trees are all __________.

• decomposers

• consumers

• producers

• pyramids

Tags

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.11-12.2

CCSS.RL.8.1

CCSS.RL.9-10.2

A trophic level represents a _________. 

• consumer
• feeding level
• speeding level
• cooking level

Which of the following members of the food chain is a tertiary consumer?

• tree

• insect

• bird

• fox