AP BIOLOGY

ECOLOGY

ENERGY FLOW AND THE FOOD CHAIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The author organized the ideas in this text by-
A
comparing and contrasting food webs
B
describing the roles in the food chain
C
sequencing how a food chain works
D
listing causes and effects of the Sun’s energy
Explanation: 

Detailed explanation-1: -A food chain in an ecosystem consists of producers, primary consumers, secondary consumers and decomposers. Here, the producer is grass and the first consumer is the insect. The insect is eaten by a bird, a secondary consumer and the bird is eaten by a snake, which is a tertiary consumer.

Detailed explanation-2: -A food chain describes how energy and nutrients move through an ecosystem. At the basic level there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. After that when carnivores eat the herbivores, energy is transferred from one to the other.

Detailed explanation-3: -Each living thing is a part of multiple food chains – for example, grass is a part of the food chain: grass

There is 1 question to complete.