Question 1

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

Accepted Answer

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.

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.

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

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