Gen Zoo Chap 4

Question 1

Basic unit of chemical element

Answer 1

Atom

Question 2

• Group of atoms bonded together
• Representing the smallest fundamental unit of a
  chemical compound

Answer 2

Molecule

Question 3

Specialized structures within the cell that perform specific functions

Answer 3

Organelle

Question 4

Smallest structure capable of performing all the functions necessary for life

Answer 4

Cell

Question 5

Group of cells that work together to perform a
specific function

Answer 5

Tissue

Question 6

Structure made up of different types of tissues that work together to perform specific functions

Answer 6

Organ

Question 7

Group of organs that work together to perform one or more function

Answer 7

Organ System

Question 8

An individual living entity that can function on its own

Answer 8

Organism

Question 9

Group of organisms of the same species

Answer 9

Population

Question 10

each local population

Answer 10

Deme

Question 11

living things

Answer 11

Biotic factor

Question 12

age, gender, genetics, disease

Answer 12

Intrinsic factor

Question 13

medicine, food, beverage

Answer 13

Extrinsic factor

Question 14

• Different population of species
• Interact with each other

Answer 14

Community

Question 15

complexity of community
which involves the number of species that coexist to form the community

Answer 15

Species diversity

Question 16

Community of living organisms

Answer 16

Ecosystem

Question 17

energy and materials required to construct and to maintain life and their incorporation to biological systems

Answer 17

Productivity

Question 18

begin productivity

Answer 18

Primary consumers

Question 19

Large community of plants and animals that occupies a distinct region defined by its climate

Answer 19

Biome

Question 20

Deciduous forest; freezing
winters to exploit short summers; 4 seasons

Answer 20

Temperate Forest

Question 21

located mainly in equatorial
belt; High rainfall, High Humidity, High temperature; Riches Biome: great diversity;
most seriously threatened

Answer 21

Tropical Forest

Question 22

expanse of grass with few trees and bushes; dry; for herbivores; most modified ecosystem

Answer 22

Grasslands

Question 23

Coniferous forest (boreal forest); Has short wet summers and long cold winters

Answer 23

Taiga

Question 24

extremely cold temperatures and treeless

Answer 24

Tundra

Question 25

Rainfall is very low; water evaporation is high; hot daytime and very cold nighfall

Answer 25

Desert

Question 26

Global ecological system integrating all living
beings and their relationship

Answer 26

Biosphere

Question 27

Gaseous component

Answer 27

Atmosphere

Question 28

Rocky material of earth’s outer
crust; source of minerals

Answer 28

Lithosphere

Question 29

Water on or near earth’s surface

Answer 29

Hydrosphere

Question 30

Global event in which a major proportion of the species living all over the world becomes extinct in a short amount of geological time of which its
actual cause is often no clear

Answer 30

Extinction and Mass Extinction

Question 31

Causes of Extinction

Answer 31

1. Habitat Loss
2. Climate Change
3. Sudden appearance of new species
4. Slow adaptation
5. Spread of diseases

Question 32

Ecological Damage

Answer 32

1. Habitat Destruction
2. Overexploitation
3. Climate Change
4. Pollution
5. Invasive Species
6. Soil erosion