Energy Flow

Question 1

What is the main source of energy for life on earth

Answer 1

sun

Question 2

how do autotrophs get food

Answer 2

they make it using light or chemical energy to make food

Question 3

Name 3 autotrophs

Answer 3

plants
plant like protists (algae)
bacteria

Question 4

photosynthesis

Answer 4

use light energy to convert carbon dioxide and water into oxygen and carbs

Question 5

chemosynthesis

Answer 5

performed by bacteria, uses chemical energy to produce carbohydrates

Question 6

consumers

Answer 6

organisms that rely on other organisms for food and energy supply

Question 7

consumers are also called

Answer 7

heterotrophs

Question 8

herbivores

Answer 8

obtain energy by eating plants only

Question 9

carnivores

Answer 9

eat only meat

Question 10

omnivores

Answer 10

eat both plants and animals

Question 11

decomposers

Answer 11

breaks down dead organic matter

Question 12

3 other types of consumers

Answer 12

decomposers/detritivores
scavengers
insectivores

Question 13

how many directions does energy flow

Answer 13

one direction

Question 14

how does energy flow (rough outline)

Answer 14

from the sun or inorganic compounds to autotrophs to heteroptophs

Question 15

food chain

Answer 15

series of steps of which organisms transfer energy by eating and being eaten

Question 16

arrows go in the direction

Answer 16

of how energy is transfered

Question 17

how does the food chain start vs end

Answer 17

start with producer ends with top consumer or carnivore

Question 18

food web

Answer 18

network of food chains within a ecosystem

Question 19

What is level 1-4 of the food web

Answer 19

1- producers
2- primary consumers (herbivores)
3- Secondary consumers (carnivores or omnivores)
4- teritary consumers (carnivore usually top carnivore)

Question 20

tropic levels

Answer 20

each step in food chain or food web

Question 21

ecological pyramid

Answer 21

diaphragm that shows the relative amount of energy or organisms contained within each tropic level of a food chain or web

Question 22

energy pyramid

Answer 22

shows relative amount of energy available at each tropic level

Question 23

what do organisms in a tropic use the available energy for

Answer 23

life processes and some release energy as heat

Question 24

What is released during every chemical process that happens in your body

Answer 24

heat

Question 25

rule 10

Answer 25

only about 10% of the available energy within a tropic level is transferred to the next level

Question 26

biomass pyramid

Answer 26

represents the amount of living organic matter at each tropic level

Question 27

all energy orignates from

Answer 27

the sun

Question 28

tropic level 1 organisms examples

Answer 28

plants and algae

Question 29

what tropic level has no predators

Answer 29

tropic level 5, apex/top predators