Gen Zoo Chap 4 Flashcards
Basic unit of chemical element
Atom
- Group of atoms bonded together
- Representing the smallest fundamental unit of a
chemical compound
Molecule
Specialized structures within the cell that perform specific functions
Organelle
Smallest structure capable of performing all the functions necessary for life
Cell
Group of cells that work together to perform a
specific function
Tissue
Structure made up of different types of tissues that work together to perform specific functions
Organ
Group of organs that work together to perform one or more function
Organ System
An individual living entity that can function on its own
Organism
Group of organisms of the same species
Population
each local population
Deme
living things
Biotic factor
age, gender, genetics, disease
Intrinsic factor
medicine, food, beverage
Extrinsic factor
- Different population of species
- Interact with each other
Community
complexity of community
which involves the number of species that coexist to form the community
Species diversity
Community of living organisms
Ecosystem
energy and materials required to construct and to maintain life and their incorporation to biological systems
Productivity
begin productivity
Primary consumers
Large community of plants and animals that occupies a distinct region defined by its climate
Biome
Deciduous forest; freezing
winters to exploit short summers; 4 seasons
Temperate Forest
located mainly in equatorial
belt; High rainfall, High Humidity, High temperature; Riches Biome: great diversity;
most seriously threatened
Tropical Forest
expanse of grass with few trees and bushes; dry; for herbivores; most modified ecosystem
Grasslands
Coniferous forest (boreal forest); Has short wet summers and long cold winters
Taiga
extremely cold temperatures and treeless
Tundra
Rainfall is very low; water evaporation is high; hot daytime and very cold nighfall
Desert
Global ecological system integrating all living
beings and their relationship
Biosphere
Gaseous component
Atmosphere
Rocky material of earth’s outer
crust; source of minerals
Lithosphere
Water on or near earth’s surface
Hydrosphere
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
Extinction and Mass Extinction
Causes of Extinction
- Habitat Loss
- Climate Change
- Sudden appearance of new species
- Slow adaptation
- Spread of diseases
Ecological Damage
- Habitat Destruction
- Overexploitation
- Climate Change
- Pollution
- Invasive Species
- Soil erosion
