Review Of Basic Terminology

Question 1

Ecosystems def

Answer 1

A specific area in which abiotic and biotic factors work together and interact closely

Question 2

Abiotic def

Answer 2

The non living components in an ecosystem that make up the environment

Question 3

Abiotic e.gs

Answer 3

•climate;
- temperature
- wind
-water
-Atmospheric gases
- physiographic factors
- soil (edaphic factors)

Question 4

Biotic def

Answer 4

• living parts in an ecosystem

Question 5

Biotic e.gs

Answer 5

= animals; producer and consumers

Question 6

Biosphere

Answer 6

• where all life on earth exists = above and below the earths surface

Question 7

Biosphere how to remember meaning:

Answer 7

• bio= living , sphere= earth

Question 8

Biome def

Answer 8

•An area with a particular climate, together with living organisms
•made up of ecosystems
•there are two types of biomes:
- terrestrial biome= land
- aquatic biome= ocean

Question 9

Indigenous species def

Answer 9

•Species that occurs naturally in a particular country or region
• They can occur naturally in one country or region

Question 10

Endemic species def

Answer 10

•Endemic- only found in one particular area and nowhere else in the world
-Many are threatened and endangered
• Hotspots = Areas where there is a wide variety of threatened endemic species

Question 11

Exotic/Alien species def

Answer 11

• Species that DO NOT occur naturally in a particular country or region.
- They are bought in to a country or region by mistake or deliberately

Question 12

Alien invasive def

Answer 12

• Alien invasive= Threaten indigenous organisms and can reduce diversity

Question 13

Ecology

Answer 13

Study of the relationships and interactions between living organisms, and between the organisms and the natural environment in which they occur