Ecology

Question 1

relating to or resulting from living things, especially in their ecological relations.

Answer 1

Biotic

Question 2

physical rather than biological; not derived from living organisms.

Answer 2

Abiotic

Question 3

all the inhabitants of a particular town, area, or country.

Answer 3

population

Question 4

a group of people living in the same place or having a particular characteristic in common.

Answer 4

Community

Question 5

a biological community of interacting organisms and their physical environment.

Answer 5

Ecosystem

Question 6

By the most general bio physiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere.

Answer 6

Biosphere

Question 7

an animal that feeds on plants.

Answer 7

Herbivore

Question 8

an animal that feeds on flesh.

Answer 8

Carnivore

Question 9

an animal or person that eats food of both plant and animal origin.

Answer 9

Omnivore

Question 10

a hierarchical series of organisms each dependent on the next as a source of food.

Answer 10

Food chain

Question 11

a system of interlocking and interdependent food chains.

Answer 11

Food Web

Question 12

An energy pyramid is a graphical model of energy flow in a community. The different levels represent different groups of organisms that might compose a food chain. From the bottom-up, they are as follows: Producers — bring energy from nonliving sources into the community.

Answer 12

Energy pyramid

Question 13

the number of people, other living organisms, or crops that a region can support without environmental degradation.

Answer 13

Carrying capacity

Question 14

an animal that is hunted and killed by another for food.

Answer 14

prey

Question 15

an animal that naturally preys on others.

Answer 15

Predator

Question 16

symbiosis that is beneficial to both organisms involved.

Answer 16

Mutualism

Question 17

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

Answer 17

Commensalism

Question 18

the practice of living as a parasite in or on another organism.

Answer 18

Parasitism

Question 19

a person or thing that makes or causes something.

Answer 19

Producers

Question 20

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

Answer 20

Decomposers

Question 21

A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation. About one third of the land surface of the world is arid or semi-arid.

Answer 21

Desert

Question 22

a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.

Answer 22

Tundra

Question 23

Temperate deciduous forests or temperate broad-leaf forests are dominated by trees that lose their leaves each year. They are found in areas with warm, moist summers and mild winters. The three major areas of this forest type occur in the Northern Hemisphere: eastern North America, East Asia, and Europe.

Answer 23

Temperate deciduous forest

Question 24

The tropical rainforest is a hot, moist biome found near Earth’s equator. The world’s largest tropical rainforests are in South America, Africa, and Southeast Asia. Tropical rainforests receive from 60 to 160 inches of precipitation that is fairly evenly distributed throughout the year.

Answer 24

Tropical rain forest

Question 25

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Coniferous forest, vegetation composed primarily of cone-bearing needle-leaved or scale-leaved evergreen trees, found in areas that have long winters and moderate to high annual precipitation. The northern Eurasian coniferous forest is called the taiga, or the boreal forest.

Answer 25

Coniferous forest

Question 26

a grassy plain in tropical and subtropical regions, with few trees.

Answer 26

Savanna

Question 27

Temperate grasslands are a division of a larger biome grouping of grasslands that includes tropical savannas. Both biome types are characterized by a dominance of grasses, yet temperate grasslands differ significantly from savannas.

Answer 27

Temperate grassland