Biological Principles -Week 1

Question 1

If the population of redwood in Northern California are shown to have undergone differences in the frequency of alleles (different forms of a gene) over many generations, this will be an example of ____________.

Evolution
Homology
Phylogenetic changes
Population growth

Answer 1

Evolution

Question 2

A group of humming birds of the same species living in the same area is an example of a/an ________________.

Population
Community
Biosphere
Ecosystem

Answer 2

population

Question 3

Scientist Tonya Bates is setting up an experiment to measure the effect of a new fertilizer, Bron24, on cashew production in different species of the crop. Control variables will include _____________.

Rate of transpiration
Quantity of fertilizer
Species of cashew
Rate of respiration

Answer 3

Quantity of fertilizer

Question 4

Living systems are able to conserve and transfer information from one generation to the next due to the presence of __________________.

Ordered complexity
Cell membrane
Homeodomain protein
Deoxyribonucleic acid

Answer 4

Deoxyribonucleic acid

Question 5

Which of the following is an example of inductive reasoning?

Large mammals give birth to fewer offspring.
A sample of several plants that grew in dessert environments did not have broad leaves thus, desert plants do not have broad leaves.
Mo joined the athletic team because he heard being an athlete increases your chances of getting a scholarship.
Mosquitoes that fly closer to the ground prefer feeding on mammals.

Answer 5

A sample of several plants that grew in dessert environments did not have broad leaves thus, desert plants do not have broad leaves.

Question 6

The level of biological hierarchy where the basic unit of life emerges is the __________________.

Atom
Cell
Tissue
Molecule

Answer 6

cell

Question 7

One main means by which checks and balances are maintained in the scientific method is through ________________.

the use of large sample sizes
rigorous data analysis
peer review
scientific collaboration

Answer 7

peer review

Question 8

The characteristics of life include all the following EXCEPT __________________

Growth
Movement
Sensitivity
Homeostasis

Answer 8

movement

Question 9

Which of the following is NOT a characteristic of a great scientific experiment?

Proves hypothesis
Has control variables
Disproves hypothesis
Has a large sample size

Answer 9

disproves hypothesis

Question 10

Which of these is an example of reductionism?

Analysis of the behavior of chimpanzees.
A study of the effect of insulin on blood glucose levels in mouse.
Observation of the interactions between living and non-living components of a tropical rain forest.
Evaluation of the life cycle of a population of golden-ringed dragonfly (Cordulegaster boltonii).

Answer 10

A study of the effect of insulin on blood glucose levels in mouse.

Question 11

If a bird is able to maintain its internal body temperature on a cold winter day, it is exhibiting which characteristic of life? ____________________

Cellular organization
Homeostasis
Reproduction
Resilience

Answer 11

Homeostasis

Question 12

The amazon rainforest which is seen as an important carbon sink is made up of numerous animal and plant species with abundant water sources. Where in the biological hierarchy will all these correctly fit into?

Ecosystem
Population
Biosphere
Community

Answer 12

Ecosystem

Question 13

Scientific inquiry that involves the design of experiments based on a possible explanation for a biological phenomenon is an example of ______________.

Socratic inquiry
scientific method inquiry
hypothesis driven inquiry
observation driven inquiry

Answer 13

Hypothesis Driven inquiry

Question 14

Which of the following is NOT a characteristic of a great scientific experiment?

Has control variables
Has a large sample size
Proves hypothesis
Disproves hypothesis

Answer 14

Proves hypothesis

Question 15

A feature or behavior that helps an organism to survive and leave more offspring behind is an example of __________________.

Natural selection
Survival
Evolution
Adaptation

Answer 15

Adaptation

Question 16

Which level of biological organization is directly above population? _________________.

Tissues
Community
Organ system
Biosphere

Answer 16

Community

Question 17

A biologist who investigates how a newly discovered protein can help prevent allergic reactions is doing which kind of research?

Longitudinal research
Mixed research
Basic research
Applied research

Answer 17

Applied Research

Question 18

All cells _______________________.

have membrane-bound organelles
have ribosomes
have cell walls
are capable of movement

Answer 18

have ribosomes

Question 19

Scientific results are statistically significant if _____________.

a large sample size was used.
there is a small probability the results happened by chance.
the study undergoes strict peer review by other scientists.
the experiment had a control group.

Answer 19

there is a small probability the results happened by chance.

Question 20

If astrobiologists observe traces of microbial fossils on Mars and they came up with questions, what one characteristic must the questions have?

Answer should not be falsifiable
Answers must have only one response.
Answers must be testable
Answers to the question can be proven to be correct.

Answer 20

Answers must be testable