unit a section 1

Question 1

ecosystem

Answer 1

Any place or location where living and nonliving things interact.

Question 2

Biotic factors

Answer 2

The living parts of an ecosystem.

Question 3

Abiotic factors

Answer 3

The nonliving parts of the ecosystem.

Question 4

species

Answer 4

a group of animals, plants or other living things that share common characteristics and are able to reproduce.

Question 5

population

Answer 5

a group of organisms of the same species that live in a particular area.

Question 6

community

Answer 6

all the populations of different species that live and interact in the same place form a community.
Ex…In a pond ecosystem, tadpoles, mosquito larva, birds, and bushes all share the same community.

Question 7

The Needs of Living Things

Answer 7

1.water
2.food nutrients
3.energy
4.oxygen
5. Suitable living conditions shelter clothing heat

Question 8

Symbiotic relationship

Answer 8

relationship between different species which benefits either or both species.
There are 3 kinds of symbiotic relationships.

Question 9

commensalism

Answer 9

One species receives the benefit.

Question 10

mutualism

Answer 10

Both species benefit

Question 11

parasitism

Answer 11

One species benefits while one is harmed

Question 12

adaptation

Answer 12

Some individuals of a species survive quite well in an ecosystem while others do not. Over several generations the offspring of a species become suited to the area in which they live. They change or adapt to meet all their needs.

Question 13

behavioural

Answer 13

Learned characteristic

Question 14

structrul

Answer 14

Physical characteristic (skin, scales, feet, wings, mouth parts