Ecology

Question 1

Food Chain

Answer 1

A series of organisms each dependent on the next as a source of food.

Question 2

Food Web

Answer 2

A graphical model depicting many food chains linked together to show the feeding relationships of organisms in an ecosystem.

Question 3

Producers

Answer 3

Organisms that make their own organic nutrients - usually using energy from sunlight.

Question 4

Primary Consumers

Answer 4

Get their energy by feeding on plants.

Question 5

Secondary Consumers

Answer 5

Get their energy by feeding on primary consumers.

Question 6

Herbivores

Answer 6

Get their energy by feeding on plants.

Question 7

Carnivores

Answer 7

Get their energy by feeding on other animals.

Question 8

Omnivores

Answer 8

Get their energy by feeding on both plants and animals.

Question 9

Competition

Answer 9

Habitats have limited supplies of the resources need by the plants and animals. Therefore, plants and animals may need to compete with one another for food, water, space and mates.

Question 10

Interdependence

Answer 10

How the changes in the population of one organism have an effect on the populations of the other organisms.

Question 11

Pyramid of Energy

Answer 11

Around 10% of the energy gets passed on. The rest is lost as heat energy, waste products, and uneaten parts.

Question 12

Human Impact on Environment (Solutions)

Answer 12

Deforestation, air/noise/water pollution, building of infrastructure, coral bleaching (water pollution, boats).