AP BIOLOGY

ECOLOGY

ENERGY FLOW AND THE FOOD CHAIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the author’s most likely reason for including the “Isle Royale” section in the text?
A
to explain why wolves are the island’s only big predator
B
to provide a related example of the information in the introduction
C
to prove that plants in a food-chain are not an ideal source of food
D
to demonstrate how much vegetation a moose can consume in a day
Explanation: 

Detailed explanation-1: -What was the author’s main reason for writing “With a Little Help From My Friends”? to show that Americans and Iranians have always gotten along.

Detailed explanation-2: -What does the word remote most likely suggest about human contact with the island? The island can only be reached by radio signals.

Detailed explanation-3: -Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms.

Detailed explanation-4: -The correct answer is (c) energy flows in only one direction through an ecosystem. Energy is captured from sunlight by plants, then passed on to the organisms that eat plants, then passed to the organisms that eat those organisms, and so on.

There is 1 question to complete.