Science 1/2 Yearly ecology

Question 1

Define ecosystem

Answer 1

Community of living things that interact with each other and with the environment in which they live.

Question 2

Define habitat

Answer 2

The place where an organism lives

Question 3

What are biotic factors

Answer 3

The living factors (organisms) in an ecosystem

Question 4

Define producers

Answer 4

Organisms such as plants that use photosynthesis to make their own food from the sun

Question 5

What is a scavenger

Answer 5

An animal that eats dead plants or animals.

Question 6

What is a consumer

Answer 6

Organism that relies on other organisms for its food.

Question 7

Herbivore

Answer 7

An animal that eats only plants

Question 8

Carnivore

Answer 8

An animal that eats only other animals

Question 9

Omnivore

Answer 9

Animal that eats plants and other animals

Question 10

Predator

Answer 10

Animals that hunt other animals for food

Question 11

Prey

Answer 11

Animal that is hunted for food

Question 12

What is Photosynthesis

Answer 12

Carbon dioxide plus water makes sugar plus oxygen

Question 13

What is consumer order?

Answer 13

The animals that eat the first order consumers are the second order consumers. The animals that eat the second order are the third order etc etc first order consumers eat the producer

Question 14

What is the difference between a food chain and a food web?

Answer 14

A food chain only tells us part of the story of energy transfer as animals eat more more the a single species and are consumed by more than one too. A food web looks at all consumer relationships in an ecosystem and how the food chains connect together.

Question 15

4 groups of decomposes

Answer 15

Flies, worms, some insects, bacteria, fungi

Question 16

What is a decomposer?

Answer 16

Decomposers break down organisms and return their nutrients to the soil and atmosphere so they can be taken up by plants and other living things

Question 17

Define Ecology

Answer 17

The study of the way organisms interact with other organisms and their environment.

Question 18

What are abiotic factors

Answer 18

Non living factors. Temperature, soil type, rainfall and amount of light available. Abiotic factors determine what types of living organisms can survive.

Question 19

What are tropic levels?

Answer 19

Tropic levels are levels in a food web. Producers are at the first tropic level. First order consumers are at the second tropic level. Etc.