Trophic levels

Question 1

producers:

primary producers

Answer 1

• produce own food thru photosynthesis
• supply food/energy for other organisms

Question 2

producers:

groups that r primary producers

Answer 2

• plants
• algae
• blue-green algae
• some protists

protist - unicellular microscopic organisms

Question 3

producers:

earliest producers found as fossils

Answer 3

stromatolites

Question 4

consumers

describe consumers

Answer 4

can’t produce their own food, so they eat producers/other organisms

Question 5

define:

autotroph

Answer 5

make theor own food

Question 6

define:

heterotroph

Answer 6

consume food made by autotrophs

Question 7

consumer

herbivore

Answer 7

consumers (heterotrophs) that eat plants

Question 8

consumers

carnivore

Answer 8

consumers (heterotrophs) that eat herbivores & other carnivores

Question 9

define

predation

Answer 9

one species eating another

Question 10

consumers

parasites

Answer 10

get nutrition from other organisms w/o killing them

ex - sea lamprey

Question 11

consumers

scavengers

Answer 11

get nutrition from dead organisms

Question 12

consumers

suspension feeders

Answer 12

filter small food particles from water

Question 13

consumers:

deposit feeders/detritus feeders

Answer 13

ingest sediment & extract small food particles

Question 14

consumers:

grazers

Answer 14

scrape food from substrate (ground)

Question 15

consumers:

decomposers & transformers

Answer 15

• bacteria & fungi
• break down organic matter
• turn matter into nutrients