Ch 2: Earth as a System

Question 1

Food Web

Answer 1

A diagram that shows the feeding relationships between organisms in the same ecosystem

Question 2

Biosphere

Answer 2

Largest ecosystem on Earth

Where life exists

Question 3

Mantle

Answer 3

Part of the Earth that is below the crust.

Between the crust and the core.

Made of rock.

Question 4

How is an animal part of the carbon cycle?

Answer 4

1. When they die, their body releases carbon during the stage of decomposition.
2. When they breathe out, they release carbon.

Question 5

Bacteria

Answer 5

Primary factor of the nitrogen cycle

Question 6

Law of Gravitation

Answer 6

The force of attraction between two objects depends on the masses of both objects and the distance between the two.

Question 7

Asthenosphere

Answer 7

Solid, putty layer of the mantle.

Beneath the lithosphere

Question 8

Oblate Spheroid

Answer 8

Shape of the Earth

Question 9

Earth

Answer 9

Internal energy is from radioactivity and gravity.

Question 10

Matter

Answer 10

anything that has mass and takes up space.

Question 11

Geosphere

Answer 11

Carbon that is stored in rock

Question 12

Carrying Capacity

Answer 12

The largest amount of life an ecosystem can support at one time.

Question 13

Water Cycle

Answer 13

includes precipitation, run off, condensation, evaporation, infiltration, and respiration

Question 14

First Law of Thermodynamics

Answer 14

Energy transferred between systems that are not created or destroyed.

Question 15

Convection

Answer 15

When hot molten material move inward toward the Earth surface because the inside of the Earth is warmer than the surface layers.

Question 16

Open System

Answer 16

Energy and matter that is exchanged with its surroundings

Question 17

Ecosystem

Answer 17

a community of organisms living in their non-living community

Question 18

Core

Answer 18

central part of the Earth below the mantle made of mostly nickel and iron

Question 19

Closed System

Answer 19

a system in which energy, but not matter is exchanged with its surroundings.

Question 20

Atmosphere

Answer 20

Mixture of gases around the Earth

Question 21

Geosphere

Answer 21

The mostly solid rock and soil part of the Earth

Question 22

Crust

Answer 22

The thin and solid outermost layer of earth that is above the Mantle.

Question 23

Hydrosphere

Answer 23

The part of the Earth that is made of water vapor, liquid water, ice/snowq

Question 24

Mesosphere

Answer 24

The strong, lower part of the mantle that is between the asthenosphere and the outer core.

Question 25

Lithosphere

Answer 25

The solid, outer layer of Earth that consists of tectonic plates.