organisms and their habitat

Question 1

Habitat

Answer 1

A habitat is the place where an organism lives

Question 2

Niche

Answer 2

A niche is the role played by or position occupied by an organism in its habitat

Question 3

Population

Answer 3

A population is a group of organisms in the same species living in a particular habitat

Question 4

Community

Answer 4

A community refers to all the populations of various organisms living and interacting with one another in a habitat

Question 5

Ecosystem

Answer 5

An ecosystem is formed by the interaction of living organisms in a community and their physical environment

Question 6

Biotic environment

Answer 6

The biotic environment consists of all the living things that an organism interacts with

Question 7

Abiotic environment

Answer 7

Abiotic environment consists of the physical factors, such as light and temperature, in the environment

Question 8

Producer

Answer 8

A producer is an organism, which produces their own food, glucose through photosynthesis by absorbing light energy and converting it to chemical energy in food. Producers are the first organisms in the food chain or food web.

Question 9

Consumer

Answer 9

A consumer is an organism that obtains its energy and nutrients from other organisms it feeds on

Question 10

Decomposer

Answer 10

A decomposer, usually a bacterium or fungus, breaks down dead organisms and waste matter, taking in some energy and nutrients while releasing the rest of the environment.

Question 11

Food chain

Answer 11

A food chain is a series of organism through which energy is transferred in the form of food. A food chain always begins with a producer

Question 12

Food web

Answer 12

A food web is made up of two or more food chains linked together

Question 13

Tropic level

Answer 13

Feeding position in a food chain

Question 14

Pyramid of numbers

Answer 14

A pyramid of numbers shows the number of organisms present in each trophic level at a particular time.

Question 15

Pyramid of biomass

Answer 15

A pyramid of biomass shows the dry standing mass of organisms present in each trophic level at a particular time.

Question 16

Pyramid of energy

Answer 16

A pyramid of energy shows the total energy present in each trophic level over a period of time.

Question 17

Bioaccumulation

Answer 17

Bioaccumulation refers to the accumulation of toxins, such as insecticides in the body of an organism as it is non-biodegradable and cannot be excreted and will be stored in the fatty tissues of the organism.

Question 18

Bioamplification

Answer 18

Bioamplification is the process that results in increasing concentrations of toxins in the bodies of consumers at each increasing trophic level