unit 2 ecology

Question 1

Abiotic Factors

Answer 1

non living part of an ecosystem

Question 2

Autotrophs

Answer 2

an organism that can produce its own food using light, water, carbon dioxide, or other chemicals

Question 3

Biotic Factors

Answer 3

living things of an ecosystem

Question 4

Bioaccumulation

Answer 4

an increase in the concentration of a chemical in a biological organism over time, compared to the chemical’s

Question 5

Carbon Sink

Answer 5

anything that absorbs more carbon from the atmosphere than it releases

Question 6

Carnivore

Answer 6

animal that eats meat

Question 7

Competition

Answer 7

competition against animals for needs.

Question 8

Commensalism

Answer 8

an association between two organisms in which one benefits and the other derives neither benefit nor harm.

Question 9

Consumer

Answer 9

one that consumes goods

Question 10

Decomposer

Answer 10

one that decomposed/breaks down things.

Question 11

Ecosystem

Answer 11

An ecosystem is a system that environments and their organisms form through their interaction.

Question 12

Energy Pyramid

Answer 12

a pyramaid of how energy moves throught a ecosystrm or animals

Question 13

Food Chain

Answer 13

circle of life

Question 14

Food Web

Answer 14

how animals eat in a ecosystem

Question 15

Habitat

Answer 15

where an organism lives

Question 16

Herbivore

Answer 16

feeds on plants

Question 17

Heterotrophs

Answer 17

A heterotroph is an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon,

Question 18

Leaching

Answer 18

the loss or extraction of certain materials from a carrier into a liquid

Question 19

Limiting Factor

Answer 19

A limiting factor is anything that constrains a population’s size and slows or stops it from growing

Question 20

Mutualism

Answer 20

association between organisms of two different species in which each benefits.

Question 21

Niche

Answer 21

thing that an animal has that helps them survive and thrive

Question 22

Ocean Acidification

Answer 22

a reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon dioxide (CO2) from the atmosphere

Question 23

Omnivore

Answer 23

An omnivore is an animal that regularly consumes significant quantities of both plant and animal matter.

Question 24

Parasitism

Answer 24

Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life

Question 25

Pioneer Species

Answer 25

Ecological succession and pioneering species
File:Pioneer species colonization leading to primary

Question 25

Phytoplankton

Answer 25

Phytoplankton are the autotrophic components of the plankton community and a key part of ocean and freshwater ecosystems.

Question 26

Population

Answer 26

how much things are in a region

Question 27

Predation

Answer 27

the preying of one animal on others.

Question 28

Predator

Answer 28

a hunting animal

Question 28

prey

Answer 28

a animal getting hunted

Question 29

Primary Succession

Answer 29

Primary succession is the beginning step of ecological succession where species known as pioneer species colonize an uninhabited site, which usually occurs in an environment devoid of vegetation and other organisms.

Question 30

Producer

Answer 30

produces food

Question 31

Secondary Succession

Answer 31

occurs when the severity of disturbance is insufficient to remove all the existing vegetation and soil from a site.

Question 32

Species Overshoot

Answer 32

occurs when the population of a species significantly exceeds the carrying capacity of its environment.

Question 33

Sustainability

Answer 33

presumes that resources are finite, and should be used conservatively and wisely with a view to long-term priorities and consequences of the ways in which resources are used.