Question 1

All the interconnected feeding relationships in an ecosystem make up a food

Accepted Answer

A) interaction. 
B) chain. 
C) network. 
D) web. 
A) interaction. 
B) chain. 
C) network. 
D) web.

Question 2

The simplest grouping of more than one kind of organism in the biosphere is

Accepted Answer

A) a population. 
B) a community. 
C) an ecosystem. 
D) a species. 
A) a population. 
B) a community. 
C) an ecosystem. 
D) a species.

Question 3

The combined portions of Earth in which all living things exist is called the

Accepted Answer

A) biome. 
B) community. 
C) ecosystem. 
D) biosphere. 
A) biome. 
B) community. 
C) ecosystem. 
D) biosphere.

Exam 1: Ecology and Ecosystems: Understanding Interactions and Energy Flow

All the interconnected feeding relationships in an ecosystem make up a food