Ecology

Question 1

Ecology

Answer 1

The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

Question 2

Biosphere

Answer 2

The regions of the surface and atmosphere of the earth or another planet occupied by living organisms.

Question 3

Hydrosphere

Answer 3

All the waters on the earth’s surface, such as lakes and seas, and sometimes including water over the earth’s surface, such as clouds.

Question 4

Lithosphere

Answer 4

The rigid outer part of the earth, consisting of the crust and upper mantle.

Question 5

Atmosphere

Answer 5

The envelope of gases surrounding the earth or another planet.

Question 6

Ecosystem

Answer 6

A biological community of interacting organisms and their physical environment.

Question 7

-sphere

Answer 7

A globe representing the earth.

Question 8

Disturbance

Answer 8

The interruption of a settled and peaceful condition.

Question 9

Deforestation

Answer 9

The action of clearing a wide area of trees.

Question 10

Soil Erosion

Answer 10

A gradual process of movement and transport of the upper layer of soil (topsoil) by different agents – particularly water, wind, and mass movement – causing its deterioration in the long term.

Question 11

Carbon Dioxide

Answer 11

A heavy colorless gas that is formed by burning fuels, by the breakdown or burning of animal and plant matter, and by the act of breathing and that is absorbed from the air by plants in photosynthesis.

Question 12

Biome

Answer 12

A large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra.

Question 13

Climate

Answer 13

The weather conditions prevailing in an area in general or over a long period.

Question 14

Geography

Answer 14

The nature and relative arrangement of places and physical features.

Question 15

Average Rainfall

Answer 15

The amount of precipitation that we expect per year

Question 16

Latitude

Answer 16

The angular distance of a place north or south of the earth’s equator, or of the equator of a celestial object, usually expressed in degrees and minutes.

Question 17

Altitude

Answer 17

The height of an object or point in relation to sea level or ground level.

Question 18

Community

Answer 18

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

Question 19

Microorganisms

Answer 19

A microscopic organism, especially a bacterium, virus, or fungus.

Question 20

Aquatic

Answer 20

Relating to water.

Question 21

Terrestrial

Answer 21

On or relating to the earth.

Question 22

Seaweeds

Answer 22

Large algae growing in the sea or on rocks below the high-water mark.

Question 23

Decomposers

Answer 23

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

Question 24

Scavengers

Answer 24

An animal that feeds on carrion, dead plant material, or refuse.

Question 25

Diversity

Answer 25

A range of different things.

Question 26

Tides

Answer 26

The alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon and sun.

Question 27

Symbiotic

Answer 27

Involving interaction between two different organisms living in close physical association.

Question 28

Filter Feeders

Answer 28

An aquatic animal feeding by filtering out plankton or nutrients suspended in the water.

Question 29

Intertidal

Answer 29

Of or denoting the area of a seashore which is covered at high tide and uncovered at low tide.

Question 30

Coral Reef

Answer 30

A ridge of rock in the sea formed by the growth and deposit of coral.

Question 31

Photosynthesis

Answer 31

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.

Question 32

Algae

Answer 32

A simple, non-flowering, and typically aquatic plant of a large group that includes the seaweeds and many single-celled forms. Algae contain chlorophyll but lack true stems, roots, leaves, and vascular tissue.

Question 33

Plankton

Answer 33

The small and microscopic organisms drifting or floating in the sea or fresh water, consisting chiefly of diatoms, protozoans, small crustaceans, and the eggs and larval stages of larger animals. Many animals are adapted to feed on plankton, especially by filtering the water.

Question 34

Estuary

Answer 34

The tidal mouth of a large river, where the tide meets the stream.

Question 35

Spawning

Answer 35

Release or deposit eggs.

Question 36

Wetland

Answer 36

Land consisting of marshes or swamps; saturated land.

Question 37

Filter

Answer 37

A porous device for removing impurities or solid particles from a liquid or gas passed through it.