053 Ecology Notes

Question 1

Ecology

Answer 1

the study of interactions between organisms and the environment

Question 2

Species

Answer 2

One type of organism

Question 3

Biotic Factor

Answer 3

All the parts of the environment that are living.

Question 4

Abiotic Factor

Answer 4

All the parts of the environment that are nonliving.

Question 5

Habitat

Answer 5

the place where an organism lives in a community

Question 6

Population

Answer 6

all the organisms of the same species living in the same place at the same time

Question 7

Community

Answer 7

all the populations that live in the same place at the same time

Question 8

Ecosystem

Answer 8

a community interacting with

Question 9

Ecosystem

Answer 9

a community interacting with abiotic parts of its environment, (all the biotic and abiotic parts of an area)

Question 10

Energy Pyramid

Answer 10

Diagram showing trophic level / level in food chain

Question 11

Sun

Answer 11

main source of energy for all living things.

Question 12

Producer

Answer 12

makes its own food (autotroph)

Question 13

Photosynthesis

Answer 13

the process of food making in producers
Sunlight + CO₂ (carbon dioxide) + H₂O (Water) →
sugar (energy) + O₂ (Oxygen)

Question 14

Consumer

Answer 14

an organism that eats other organisms (heterotroph)

Question 15

Herbivore

Answer 15

an organism that only eats plants.

Question 16

Carnivore

Answer 16

an organism that only eats animals.

Question 17

Scavenger

Answer 17

An organism that eats organisms that are already dead.

Question 18

Omnivore

Answer 18

an organism that eats both plants and animals.

Question 19

Decomposer

Answer 19

an organism that breaks down the remains of dead plants and animals (recycles).

Question 20

Food Chain

Answer 20

the transfer of energy (food) from one organism to another.

Question 21

Food Web

Answer 21

when different chains overlap.

Question 22

Competition

Answer 22

The contest among organisms to get all they need to survive.

Question 23

Niche

Answer 23

the role (job) a species has within a community

Question 24

Predator

Answer 24

an organism that kills and eats prey to obtain energy.

Question 25

Prey

Answer 25

an organism that gets eaten by a predator.

Question 26

Limiting Factors

Answer 26

an environmental factor that causes the population to decrease

Question 27

Symbiosis

Answer 27

A relationship where food, shelter, support or transportation is provided for one or both organisms.

Question 28

Natural Selection

Answer 28

The struggle between organisms to survive in a habitat with limited resources Process in which a species becomes better suited to its environment.

Question 29

Abiotic factors

Answer 29

the nonliving parts of an ecosystem

Question 30

Biosphere

Answer 30

any area in which organisms live

Question 31

Biodiversity

Answer 31

he variety of life in the world or in a particular habitat or ecosystem.

Question 32

Biotic Factors

Answer 32

all of the living or once-living things in an ecosystem

Question 33

Carnivores

Answer 33

eat herbivores and other consumers.

Question 34

Consumers

Answer 34

are organisms that cannot make their food. Consumer obtain food by eating producers and other consumers

Question 35

Decomposers

Answer 35

Organisms that break down wastes and dead organisms and return the raw materials to the environment

Question 36

Ecology

Answer 36

the study of how living organisms interact with each other and with their environment

Question 37

ECOSYSTEM

Answer 37

is all the living and nonliving things in one place

Question 38

Herbivores

Answer 38

eat only plants and other producers.

Question 39

Omnivores

Answer 39

eat producers and consumers.

Question 40

Producers

Answer 40

are organisms that use an outside energy source, such as the Sun,and produce their own food

Question 41

Scavengers

Answer 41

is a carnivore that feeds on dead bodies of dead organisms