Ecology

Question 1

Ecosystem

Answer 1

the integrated study of biotic and abiotic components of ecosystems and their interactions within an ecosystem

Question 2

Biotic Factor

Answer 2

biotic factors are the other, living parts of the ecosystem with which an organism must interact.

Question 3

Abiotic Factor

Answer 3

Abiotic factors are chemical and physical factors such as temperature, soil composition, and climate, along with the amount of sunlight

Question 4

Organism

Answer 4

An individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis. It can be a virus, bacterium, protist, fungus, plant or an animal.

Question 5

Species

Answer 5

species is a set of organisms adapted to a particular set of resources, called a niche, in the environment

Question 6

Population

Answer 6

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

Question 7

Community

Answer 7

bound together by the network of influences that species have on one another.

Question 8

Habitat

Answer 8

an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism

Question 9

Natural selection

Answer 9

The process in nature by which, according to Darwin’s theory of evolution, only the organisms best adapted to their environment tend to survive and transmit their genetic characters in increasing numbers to succeeding generations while those less adapted tend to be eliminated

Question 10

Evolution

Answer 10

change in the heritable characteristics of biological populations over successive generations

Question 11

Producers

Answer 11

are organisms that can make their own energy through biochemical processes, which are just processes in living things that involve chemical reactions.

Question 12

Consumers

Answer 12

feed on things

Question 13

Primary consumers

Answer 13

feed on green plants and detritivores that feed on decaying matter are called primary consumers

Question 14

Secondary Consumer

Answer 14

Carnivores that feed on herbivores or detritivores are called secondary consumers

Question 15

Tertiary consumer

Answer 15

a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers

Question 16

Herbivores

Answer 16

Eats plants

Question 17

Carnivores

Answer 17

Eats meats

Question 18

Ominvores

Answer 18

Eats plants and meats

Question 19

Decomposers

Answer 19

Microscopic organisms that break down waste

Question 20

Food Chain

Answer 20

Shows the power of certain animals in an ecosystem

Question 21

Food Web

Answer 21

a system of interlocking and interdependent food chains.

Question 22

Energy Pyramid

Answer 22

graphical model of energy flow in a community

Question 23

Carbon cycle

Answer 23

The combined processes, including photosynthesis, decomposition, and respiration,

Question 24

Nitrogen Cycle

Answer 24

the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms

Question 25

Ecological Succcession

Answer 25

is the process of change in the species structure of an ecological community over time

Question 26

Primary Succession

Answer 26

occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil

Question 27

Secondary Succession

Answer 27

process started by an event that reduces an already established ecosystem

Question 28

Pioneer Species

Answer 28

which are the first to colonize previously disrupted or damaged ecosystems

Question 29

Climax Community

Answer 29

which populations of plants or animals remain stable and exist in balance with each other and their environment