Biological Principles -Week 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

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

A

Evolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

Population
Community
Biosphere
Ecosystem

A

population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

Quantity of fertilizer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

Deoxyribonucleic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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.

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

Atom
Cell
Tissue
Molecule

A

cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

peer review

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The characteristics of life include all the following EXCEPT __________________

Growth
Movement
Sensitivity
Homeostasis

A

movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

disproves hypothesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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).

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

Homeostasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

Ecosystem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

Hypothesis Driven inquiry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

Proves hypothesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

Natural selection
Survival
Evolution
Adaptation

A

Adaptation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

Tissues
Community
Organ system
Biosphere

A

Community

17
Q

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

A

Applied Research

18
Q

All cells _______________________.

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

A

have ribosomes

19
Q

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.

A

there is a small probability the results happened by chance.

20
Q

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.

A

Answers must be testable