Biology Chapter 24

Front 1

Elevation of the body core temperature to a dangerous and often fatal level is known as __________.

Back 1

Hyperthermia

Front 2

The seasons on Earth are a result of the ______ of the axis.

Back 2

Tilt

Front 3

The _______ is the portion of the Earth measured from the iron core, to the mantle.

Back 3

Lithosphere

Front 4

Even though Venus is twice as far from the sun than Mercury, its surface temperature __________ than Mercury and is mostly likely the result of ____________ trapped in its atmosphere.

Back 4

higher, CO2

Front 5

The thin layer of air that has been captures and is maintained by Earth’s gravity is known as the __________.

Back 5

Atmosphere

Front 6

The Earth’s ________ contains all of the water on the planet, of which the vast majority is in the form of _________.

Back 6

Hydrosphere, Salt water

Front 7

The amount of carbon dioxide in the atmosphere on Earth is maintained by the __________, which absorbs it through photosynthesis but produces it as a result of respiration.

Back 7

Biosphere

Front 8

The amount of carbon dioxide in the atmosphere on Earth is maintained by the __________, which absorbs it through photosynthesis but produces it as a result of respiration.

Back 8

biosphere

Front 9

The _______ greenhouse effect is most associated with human actions stemming from the burning of fossil fuels and which may be causing changes in Earth’s climate.

Back 9

anthropogenic

Front 10

Earth’s seasons are due to the _________° tilt of it’s axis in relation to the sun.

Back 10

23.5

Front 11

The ________ extends from the crust to the upper most layer of the mantle.

Back 11

Lithosphere

Front 12

The hydrosphere consists of all the _________ found on Earth.

Back 12

(water)

Front 13

The ocean accounts for ____________ of Earth’s water

Back 13

(97.25%)

Front 14

The atmosphere of Earth consists of ____________ nitrogen and 21% _________.

Back 14

(78%, oxygen)