Ecology Review

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

TREE

• Abiotic

• Biotic

Abiotic factors in the environment are all __________. 

• living
• nonliving

Algae, grasses and trees are all __________.

• decomposers

• consumers

• producers

• pyramids

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

• tree

• insect

• bird

• fox

What is the source of energy that flows through most of the food chains on Earth?

• plants
• the sun
• temperature
• wind

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

An individual belonging to a specific species

• Biotic
• Community
• Organism
• Reptile

The image provided is an example of a(n):

• Carnivore
• Herbivore
• Producer
• Autotroph

A living relationship between two species in which one organism is harmed is called...

• mutualism
• commensalism
• parasitism
• niche

The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect