AP BIOLOGY

ECOLOGY

ENERGY FLOW AND PRIMARY PRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
each step in a food chain or a food web?
A
pyramids
B
trophic level
C
models
Explanation: 

Detailed explanation-1: -The different feeding positions in a food chain or web are called trophic levels. The first trophic level consists of producers, the second of primary consumers, the third of secondary consumers, and so on. There usually are no more than four or five trophic levels in a food chain or web.

Detailed explanation-2: -Organisms in food webs are grouped into categories called trophic levels. Roughly speaking, these levels are divided into producers (first trophic level), consumers, and decomposers (last trophic level).

Detailed explanation-3: -Each step along a food chain is known as a trophic level or feeding level, and every organism can be categorized by its trophic level. The most basic trophic level is producers-plants such as underwater bay grasses and free-floating algae that make their own food through photosynthesis.

Detailed explanation-4: -Trophic Levels Level 1: Plants (producers) Level 2: Animals that eat plants or herbivores (primary consumers) Level 3: Animals that eat herbivores (secondary consumers, carnivores) Level 4: Animals that eat carnivores (tertiary consumers, carnivores)

There is 1 question to complete.