Unit 12/13 Ecology And Ecosystems

Question 0

Autotroph

Answer 0

Produces its own food

Question 1

Abiotic

Answer 1

Characterized by the absence of life or living organisms

Question 2

Biosphere

Answer 2

Part of earth that supports life

Question 3

Biotic

Answer 3

In the presence of living things

Question 4

Carbon cycle

Answer 4

Circulation of carbon atoms in the biosphere

Question 5

Commensalism

Answer 5

type of relationship between two species of a plant, animal, fungus, etc., in which one lives with, on, or in another without damage to either

Question 6

Ecosystem

Answer 6

formed by the interaction of a community of organisms with their environment

Question 7

Eurotrophication

Answer 7

characterized by an abundant accumulation of nutrients that support a dense growth of algae and other organisms, the decay of which depletes the shallow waters of oxygen in summer

Question 8

Exctinction

Answer 8

Annihilation

Question 9

Food chain

Answer 9

chain from a food source to the ultimate consumer.

Question 10

Foo web

Answer 10

A group of food chains in a community

Question 11

Habitat

Answer 11

The natural environment for an organism

Question 12

Herbivore

Answer 12

Animal that eats only plants

Question 13

Heterotroph

Answer 13

An organism requiring organic (living) compounds for its principal source of food

Question 14

Mutualism

Answer 14

A relationship between two species of animals in which both benefit

Question 15

Niche

Answer 15

Position or function of an organism (kinda like a habitat, but not)

Question 16

Nitrogen cycle

Answer 16

the continuous sequence of events by which atmospheric nitrogen and nitrogenous compounds in the soil are converted, as by nitrification and nitrogen fixation, into substances that can be utilized by green plants, the substances returning to the air and soil as a result of the decay of the plants and denitrification

Question 17

Omnivore

Answer 17

An animal that eats plants and other animals

Question 18

Parasitism

Answer 18

A relationship between tow organisms in which one lives as a parasite on the other (harmed)

Question 19

Population

Answer 19

total number of persons inhabiting a country, city, or any district or area

Question 20

Predation

Answer 20

Predatory behavior

Question 21

Primary succession

Answer 21

Begins with bare rock exposed by geologic activity

Rock slide, fire, volcano

Come first: algae, lichens, grasses, mice

Question 22

Producer

Answer 22

One who produces food in their environment

Question 23

Secondary succession

Answer 23

On bare productive ground

Grow- tall grasses, weeds, brush, rabbits, mice, deer

Question 24

Symbiosis

Answer 24

The living together of two dissimilar organisms

Question 25

Temperate grassland

Answer 25

Perennial grasses, flowers, mild climate

Question 26

Tropical savanna

Answer 26

Wet and dry climate with all kinds of trees