02 Trophic Levels (fitb)

Question 1

The term used to categorize living things according to how they gain their energy is______

Answer 1

trophic level

Question 2

Of all the energy that falls on Earth from the sun, the percentage that reaches the
surface is_______

Answer 2

70%

Question 3

The name given to green plants, bacteria, and all living things that can make their
own food from sunlight, and nutrients found in the soil and air is_____

Answer 3

autotrophs (producers)

Question 4

These living things are found at the second trophic level. The obtain their energy
from green plants. The general name given to them is _____

Answer 4

Primary Consumers (herbivores)

Question 5

Another term for carnivores is ______

Answer 5

secondary consumers

Question 6

Carnivores are found at the ______ trophic level

Answer 6

3rd

Question 7

Those consumers that eat secondary consumers and are also carnivores are the
_______ consumers and they are found at the ______ trophic level. They are _____vores

Answer 7

tertiary, fourth, omni

Question 8

Another word for decomposers is _______. Two examples of these living things are
_______ and ______.

Answer 8

Detrivores, earthworms, beetles

Question 9

The name given to a step by step sequence linking organisms that feed on each other
is _______

Answer 9

food chain

Question 10

A more accurate model of feeding relationships in a food chain is the ______

Answer 10

food web

Question 11

SUN —-> GRASS ——>INSECT ——-> FROG ——-> SNAKE ——-> HAWK
(this is a food chain)
For each of the living things you see in this diagram, give the ecology term that could be applied to it.

Answer 11

Grass: autotroph (producer). Insect: primary consumer (herbivore).
Frog: secondary consumer (carnivore).
Snake: tertiary consumer (carnivore)

Question 12

REMINDER! (do not put at 5 until you are done studying!)

Make sure you go to the trophic levels answer key and see question #3!

Answer 12

there is a very important food web