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

Speices

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.

Question 7

The Needs of Living Things

Answer 7

WaterFood/Nutrients (for movement, health, growth, repair), Energy, Oxygen, Suitable living conditions (shelter, clothing, heat)

Question 8

Symbiotic Relationships*

Answer 8

A relationship between different species which benefits either or both species.

Question 9

Commensalism*

Answer 9

One species receives the benefit the other is uneffected.

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

Structural Adaptaion*

Answer 13

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

Question 14

Behavioral Adaptation*

Answer 14

Learned characteristic

Question 15

How have humans impacted the environment?

Answer 15

Pollution
Farming
Mining
Cities
Water Usage
Wildlife
Forestry
Fisheries

Question 16

Sustainability

Answer 16

means to use our natural resources slowly so they can be renewed faster than we use them.

Question 16

Ecological Footprint

Answer 16

the impact you have on Earth.

Question 17

4 rs

Answer 17

Reduce, Reuse, Recycle, Recover

Question 17

Natural Resources

Answer 17

fish, minerals, oils, water, forests

Question 18

Reduce

Answer 18

To buy less and less
Produce less garbage
Turn off lights, take shorter showers, low-flow toilets

Question 19

Reuse

Answer 19

Use products that you can use again and again
Hand-me-down clothing, refillable containers, crafts

Question 20

Recycle

Answer 20

To turn materials into new products
Take paper, cans, bottles to the recycling depot
Energy is used to change the physical properties of the material

Question 21

Recover

Answer 21

Changing waste material into usable energy
Some plastics that can’t be recycle can be converted into energy (like electricity)

Question 22

Predator*

Answer 22

Kill and eat animals

Question 23

Prey*

Answer 23

Get eaten by predators