ecology

Question 1

Abiotic factors

Answer 1

are non-living factors

Question 2

Example of Abiotic factors

Answer 2

-moisture level
-light intensity
-temperature
-carbon dioxide level
- wind intensity
-oxygen level

Question 3

Biotic factors

Answer 3

are living factors

Question 4

Example of Biotic factors

Answer 4

-new predators
- new pathogens
-competition
-availability of food

Question 5

A change in environment for biotic factor

Answer 5

can affect the size of populations in a community which can hae knock-on effects because of interdependence

Question 6

A change in environment for abiotic factor

Answer 6

can affect the size of populations in a community also. This means they can also affect the population sizes of other organisms that depend on them

Question 7

Plants turn elements like carbon, oxygen, hydrogen and nitrogen from the soil and the air into

Answer 7

Complex compounds ( carbohydrates, protein and fat ) that make up living organisms

Question 8

Materials decay when they’re broken down by microorganisms

Answer 8

This happens faster in warm moist , aerobic conditions

Question 9

The constant cycling of carbon is called the carbon cycle

Answer 9

CO2 is removed from the atmosphere by green plants and algae during photosynthesis. When the plants and algae respire . Some carbon is returned as CO2

Question 10

When the plants and algae are eaten by animals

Answer 10

Some carbon becomes becomes part of the fats and proteins in their bodies .
The carbon then moves through the food chain