Unit 1

Question 1

Low-income countries

Answer 1

GNI of less than $1086

Question 2

Middle-income countries

Answer 2

GNI more than $,1086 but less than $13,205

Question 3

High-income countries

Answer 3

GNI more than $13,205

Question 4

GNI

Answer 4

Gross National Income

Question 5

Transpiration

Answer 5

The process by which water vapor moves through and out of a plant

Question 6

Troposphere

Answer 6

1st layer. Layers of the atmosphere closest to Earth. Where clouds and storms form.

Question 7

Stratosphere

Answer 7

2nd layer. The temperature increases from -50c to -10c because of the ozone layer.

Question 8

Ozone Layer

Answer 8

The ozone molecules absorb Ultraviolet radiation which heats up the air around them.

Question 9

Mesosphere

Answer 9

3rd layer. Strong winds. The temperature decreases as altitude increases.

Question 10

Thermosphere

Answer 10

4th layer. Temperature increases with altitude.

Question 11

Biotic components

Answer 11

Plants, animals, and other organisms like bacteria.

Question 12

Abiotic components

Answer 12

The physical environment, soil, climate, and temperature.

Question 13

Ecological niche

Answer 13

The role that a species fills within an ecosystem.

Question 14

Intra

Answer 14

Within

Question 15

Inter

Answer 15

Between