The Study of Life 1.1

Question 1

What is Evolution?

Answer 1

Process of change that has transformed life on Earth

Question 2

What are the 5 Themes of Biology?

Answer 2

• Organization
• Information
• Energy & Matter
• Interactions
• Evolution

Question 3

What is life?

Answer 3

Things that living organisms do

Question 4

What is Biology?

Answer 4

The scientific study of life

Question 5

Reductionism

Answer 5

Reduction of complex systems to simpler components that are more manageable to study

Question 6

Systems Biology

Answer 6

Analysis of the interactions among the parts of a biological system

Question 7

Correct Order (Small-Large)

Answer 7

Molecules, organism, population, communities, biosphere

Question 8

Emergent Properties

Answer 8

Result from the arrangement and interaction of parts within a system

Question 9

What is the lowest level of organization that can perform all activities?

Answer 9

Cell

Question 10

What does the membrane do?

Answer 10

Regulates the passage of materials between the cell and its environment

Question 11

Prokaryotic Cell

Answer 11

Small, simple; does not contain a nucleus or other membrane-enclosed organelles

Question 12

Eukaryotic Cell

Answer 12

Membrane-enclosed organelles, largest of which is usually the nucleus

Question 13

DNA- Deoxyribonucleic Acid

Answer 13

Within cells, located in chromosomes that contain genetic material

Question 14

DNA Molecule Components

Answer 14

2 Long chains arranged in a double helix

Question 15

Components of each chain

Answer 15

4 Kinds of chemical building blocks called nucleotides & nicknamed A, G, C, and T.

Question 16

Where is energy lost to?

Answer 16

Surroundings as heat

Question 17

Result of lost energy

Answer 17

Energy flows through an ecosystem, usually entering as light and exiting as heat

Question 18

Like jackrabbits, elephants have many blood vessels in their ears that help them to cool their bodies by radiating heat. Which of the following statements about this radiated energy would be accurate?

a) The original source of the energy was the sun.
b) The energy will be recycled through the ecosystems.
c) The radiated energy will be trappled by predators of the elephants.
d) More energy is radiated in cold conditions than in hot conditions.
e) More energy is radiated at night than during the day

Answer 18

. Like jackrabbits, elephants have many blood vessels in their ears that help them to cool their bodies by radiating heat. Which of the following statements about this radiated energy would be accurate?

a) The original source of the energy was the sun. ***
b) The energy will be recycled through the ecosystems.
c) The radiated energy will be trappled by predators of the elephants.
d) More energy is radiated in cold conditions than in hot conditions.
e) More energy is radiated at night than during the day

Question 19

Gene Expression

Answer 19

Process of converting information from gene to cellular product

Question 20

Feedback

Answer 20

Way that cells are able to coordinate various chemical pathways

Question 21

Feedback Regulation

Answer 21

Output, or product of a process, regulates that very process