Biology CH8

Question 1

Photons

Answer 1

Tiny particles of light

Question 2

Photosynthesis

Answer 2

The process of converting sunlight into usable, chemical energy

Question 3

Carbon

Answer 3

Carbon is the besis for all living material.

Question 4

Nitrogen

Answer 4

Most of earths atmosphere is made out of nitrogen about 79%.

It is also intrumental in building proteins and nucleic acids both of witch make up your DNA.

Question 5

Phosphorous

Answer 5

Its a vital nutrient to plants and animals because its a key component to NDA.
Asential to cell division and growth.

Question 6

autotrophs

Answer 6

self-feeders

Question 7

Heterotrophs

Answer 7

other-feeders

Question 8

ATP

Answer 8

Assential molecule

Question 9

Lesson 2

Question 10

Homeostasis

Answer 10

The ability to maintain stable, constant internal conditions.

HOMEO - Same
Stasis - Standing

Question 11

Eukaryotic cells

Answer 11

cells that contain a nucleus and organelles structure

Question 12

Diffusion

Answer 12

The tendancy for particles to spread out evenly in an available space

Question 13

Passive Transport

Answer 13

The cell doesn’t have to do any work to make the molecular movement happen

Question 14

Facilitated Diffusion

Answer 14

Diffuse across the membrane through the transport proteins

Question 15

Active Transport

Answer 15

A cell uses energy to move molecules across a membrane.

Question 16

Exocytosis

Answer 16

Exports meterial out of the cell.

Question 17

Endocytosis

Answer 17

Imports material into the cell.

Question 18

Endotherms

Answer 18

Generate heat through their own metabolism.

Question 19

Lesson 3

Question 20

Feedback mechanisms

Answer 20

Responses that trigger other activities or processes

Question 21

Negative Feedback

Answer 21

Attempt to maintain a target level

Question 22

Positive Feedback

Answer 22

Amplifications away from a targer level

Question 23

Ectotherms

Answer 23

Rely on outside sources to regulate their body temperature

Question 24

Endotherm

Answer 24

Regulate your own internal body temperature through metabolism

Question 25

Hypothalamus

Answer 25

Your hypothalamus, a structure deep in your brain, acts as your body’s smart control coordinating center. Its main function is to keep your body in a stable state called homeostasis. It does its job by directly influencing your autonomic nervous system or by managing hormones.

Question 26

Alteration

Answer 26

The feedback mechanism has an error

Question 27

Type I Diabetes

Answer 27

The beta cells don’t produce insulin that lowers the blood glucose levels

Question 28

Type II Diabetes

Answer 28

The body stops recognizing the insulin