ecology

Question 1

ecosystem

Answer 1

a system or group of interconnected elements formed, formed by the interaction of a community with their environment.

Question 2

biotic factors

Answer 2

living factors in an ecosystem, plants/animals.

Question 3

abiotic factors

Answer 3

Non living factors in an ecosystem. water/air

Question 4

organism

Answer 4

individual living thing that can react to stimuli,eat, grow, reproduce and maintain homeostasis

Question 5

Species

Answer 5

specific unit of biological classification and a taxonomic rank

Question 6

population

Answer 6

a group of organisms of one species that internal group of organisms of one species that interbreed and live in the same place at the same time

Question 7

community

Answer 7

an large group of various species living together

Question 8

Habitat

Answer 8

area where an organism or population live.

Question 9

natural selection

Answer 9

Survival of the fittest, Charles Darwin

Question 10

Evolution

Answer 10

The change in the heritable characteristics over a long period of adaptation

Question 11

producers/autotroph

Answer 11

Makes their own food from sunlight and inorganic matter

Question 12

consumers/ heterotrophs

Answer 12

usually eat producers, cannot make their own food

Question 13

primary consumers

Answer 13

living organism that eats the producer

Question 14

secondary consumer

Answer 14

Eat primary consumers but can also eat producers

Question 15

tertiary consumer

Answer 15

Carnivore at the top most level of the food chain

Question 16

herbivores

Answer 16

Eats only producers, plants

Question 17

carnivores

Answer 17

Eats only other consumers

Question 18

omnivores

Answer 18

Eats both producers and consumers

Question 19

decomposers

Answer 19

Eats dead plant or animal matter that is being decayed

Question 20

food chain

Answer 20

feeding hierarchy in which organisms in an ecosystem are grouped into trophic levels to show the flow of food energy.

Question 21

food web

Answer 21

showing the interconnecting food chains in an ecological community

Question 22

energy pyramid

Answer 22

Graphical model showing energy flow in a community

Question 23

carbon cycle

Answer 23

The cycle of carbon throughout processes like photosynthesis, decomposition and respiration.

Question 24

nitrogen cycle

Answer 24

Natural process of the cycle of nitrogen from air to soil to organisms.

Question 25

ecological succession

Answer 25

process by which the structure of a biological community evolves over time.

Question 26

primary succession

Answer 26

Areas incapable of sustaining plant life, such as area damaged from lava flow, begins in barren areas.

Question 27

secondary succession

Answer 27

Starts in an already established ecosystem, and damages it, ex. hurricane

Question 28

pioneer species

Answer 28

first species to inhabit these recovering ecosystems.

Question 29

climax community

Answer 29

A perfect balance of populations, final stage of succession.

Question 30

ecosystem

Answer 30

Community of interacting organisms their physical environment