What is the founder effect?

C. The establishment of a new population by a small number of individuals

What is the primary source of carbon in the atmosphere?

B. Cellular respiration from animals

How do antibiotic-resistant bacteria provide evidence for evolution?

A. Shows bacteria can gain new traits in response to the environment

How does the burning of fossil fuels impact the carbon cycle?

D. It releases stored carbon dioxide into the atmosphere.

Which is an example of analagous structures?

A. Birds and butterflies both have wings but did not evolve together

What role do plants play in the carbon cycle?

D. They use carbon dioxide through photosynthesis.

Why is biogeography important in evolution?

A. It shows species distribution geographically and how they are related.

What is the purpose of fruits?

B. Protect and Disperse the Seed

What is meant by the term "fitness" in evolutionary biology?

B. The ability of an organism to survive and reproduce in its environment

What is the main function of the stem?

B. Support the rest of the plant

What does the fossil record primarily provide evidence for?

B. The gradual change and diversification of species over time

What is the primary function of xylem in plants?

B. Transporting water and nutrients from the roots to the rest of the plant

How does deforestation affect the carbon cycle?

A. It reduces the number of trees that can absorb carbon dioxide.

Why do plants appear green?

A. Plants have Chloroplasts which have a green pigment

What is the role of decomposers in the carbon cycle?

C. They break down dead organisms, releasing carbon dioxide.

What is one major difference between plant and animal cells?

D. Plant cells have chloroplasts, while animal cells do not.

What is a homologous structure?

B. Structures that have different functions but same evolutionary origin

What is phototropism?

C. A plant's growth response to light.

What is non-random mating?

A. The preference for certain attrictive traits in mates

Which of the following is an example of artificial selection?

C. Humans breeding dogs for specific traits such as size or coat color

What can be inferred from the fact that all vertebrates have a similar bone structure in their limbs?

B. They have a common ancestor.

Which of the following is an example of natural selection?

B. Finches developing different beaks over time to access different food

Why is pollination important for plants?

D. It facilitates the sexual reproduction of plants.

How does more surface are help root systems of plants?

A. Helps them absorb water/nutrients from the soil more efficiently

What is a common ancestor?

C. An organism from which multiple species evolved

What does the presence of vestigial structures in an organism suggest?

C. The organism has a common ancestor that used those features

studbud

HSCR Quiz 2

40 termsStudBud Administration17 plays

Imported from external platform

Flashcards40 cardsFPractice quizPHost liveL

Questions 40

Answers

1
What is the founder effect?
C. The establishment of a new population by a small number of individuals
D. The adaptation of species to different environments
B. The migration of individuals from one population to another
A. A sudden decrease in population leading to a loss of genetic variation
2
What is the primary source of carbon in the atmosphere?
A. Photosynthesis
B. Cellular respiration from animals
D. Burning of fossil fuels
C. Decomposition
3
Which of the following is NOT a function of root systems?
B. Absorb water
A. Anchor the plant to the ground
D. Store water
C. Conduct photosynthesis
4
How do antibiotic-resistant bacteria provide evidence for evolution?
A. Shows bacteria can gain new traits in response to the environment
D. They disprove the theory of natural selection.
C. They prove that antibiotics are ineffective.
B. They show that bacteria do not change over time.
5
How does the burning of fossil fuels impact the carbon cycle?
A. It increases the amount of nitrogen in the atmosphere.
C. It decreases the amount of oxygen in the atmosphere.
D. It releases stored carbon dioxide into the atmosphere.
B. It enhances the process of photosynthesis.
6
Which is an example of analagous structures?
A. Birds and butterflies both have wings but did not evolve together
C. Some birds have wings but can't fly
D. Vertebrates share similar bone structure in their forelimbs.
B. Whales have hind limbs
7
What role do plants play in the carbon cycle?
C. They decompose organic matter.
B. They store carbon in the soil.
A. They release carbon dioxide through respiration.
D. They use carbon dioxide through photosynthesis.
8
Why is biogeography important in evolution?
C. It studies the impact of climate change on species.
B. It provides evidence through genetic similarities.
A. It shows species distribution geographically and how they are related.
D. It looks at the role of predators in the ecosystem.
9
Which part of the human body is most similar to the leaf?
D. Legs
A. Brain
B. Lungs
C. Stomach
10
What is the purpose of fruits?
D. Xylem and Phloem
A. Store Water
B. Protect and Disperse the Seed
C. Asexual reproduction
11
What is meant by the term "fitness" in evolutionary biology?
D. The speed at which an organism can adapt to new environments
A. The physical strength of an organism
B. The ability of an organism to survive and reproduce in its environment
C. The number of offspring produced by an organism
12
What type of evidence do similarities in DNA sequences provide for evolution?
A. Behavioral evidence
D. Genetic evidence
C. Embryological evidence
B. Fossil evidence
13
Which process removes carbon dioxide from the atmosphere?
C. Combustion
D. Photosynthesis
B. Respiration
A. Decomposition
14
What is the main function of the stem?
C. Absorb water
D. Cellular respiration
B. Support the rest of the plant
A. Photosynthesis
15
Which of the following is an example of a vestigial structure in humans?
A. The heart
D. The appendix
C. The kidneys
B. The lungs
16
Which tropism causes plants to grow up against the force of gravity?
A. Geotropism
C. Thigmotropsim
D. Phototropism
B. Hydrotropism
17
What does the fossil record primarily provide evidence for?
D. The lack of transitional forms
C. The absence of extinct species
B. The gradual change and diversification of species over time
A. The instantaneous appearance of species
18
What is the primary function of xylem in plants?
D. Storing energy in the form of starch
A. Transporting sugars from the leaves to other parts of the plant.
C. Facilitating gas exchange between the plant and the environment.
B. Transporting water and nutrients from the roots to the rest of the plant
19
How does deforestation affect the carbon cycle?
A. It reduces the number of trees that can absorb carbon dioxide.
B. It increases the rate of photosynthesis.
D. It increases carbon storage in the soil.
C. It decreases the amount of carbon dioxide in the atmosphere.
20
Why do plants appear green?
C. Plants have Xylem and Phloem
A. Plants have Chloroplasts which have a green pigment
B. Plants have mitochondria which have a green pigment
D. Plants have leaves which are like the lungs of the plant.
21
What is the role of decomposers in the carbon cycle?
D. They absorb carbon dioxide from the atmosphere.
C. They break down dead organisms, releasing carbon dioxide.
A. They produce oxygen.
B. They fix nitrogen.
22
What is one major difference between plant and animal cells?
A. Animal cells have large central vacuoles, while plant cells do not.
D. Plant cells have chloroplasts, while animal cells do not.
C. Plant cells have mitochondria, while animal cells do not.
B. Animal cells have cell walls, while plant cells do not.
23
What is a homologous structure?
D. Structures that are identical in all species
B. Structures that have different functions but same evolutionary origin
A. Structures that perform the same function but have different origins
C. Structures that appear only in fossil records
24
Which of the following processes releases carbon dioxide back into the atmosphere?
D. Nitrogen fixation
B. Carbon fixation
C. Respiration
A. Photosynthesis
25
What is phototropism?
C. A plant's growth response to light.
B. A plant's growth response to water.
D. A plant's growth response to touch.
A. A plant's growth response to gravity.
26
What is non-random mating?
C. The process by which organisms compete for resources
B. The selection of traits based on their usefulness in survival
A. The preference for certain attrictive traits in mates
D. The formation of new species due to geographic isolation
27
Which of the following is an example of artificial selection?
D. The formation of new species due to geographic isolation
A. A predator preying on the slowest individuals in a population
B. The development of antibiotic resistance in bacteria
C. Humans breeding dogs for specific traits such as size or coat color
28
Which organelle conducts photosynthesis?
A. Mitochondria
Nucleus
C. Chloroplast
D. Endoplasmic Reticulum
29
What can be inferred from the fact that all vertebrates have a similar bone structure in their limbs?
C. They do not share any evolutionary history.
B. They have a common ancestor.
A. They all evolved in the same environment.
D. They have always been the same species.
30
Which of the following is an example of natural selection?
D. Two species evolving similar traits due to shared environmental factors
B. Finches developing different beaks over time to access different food
A. A sudden change in climate causing rapid extinction
C. Genetic mutations causing a population to become isolated
31
Which of the following is NOT used during photosynthesis?
C. Water
B. Carbon Dioxide
D. Sunlight
A. Oxygen
32
Why is pollination important for plants?
D. It facilitates the sexual reproduction of plants.
A. It enables the transfer of nutrients from soil to plant.
C. It allows plants to produce oxygen.
B. It helps plants absorb sunlight for photosynthesis.
33
How does more surface are help root systems of plants?
D. Helps them get carbon
A. Helps them absorb water/nutrients from the soil more efficiently
B. Helps them maintain stability in the soil
C. Helps them send messages to other plants.
34
Which of the following tropisms would correspond to a plant growing on the wall of a building?
B. Thigmotropism
D. Geotropism
A. Phototropism
C. Hydrotropism
35
What is a common ancestor?
B. An organism that has not evolved over time
D. An unrelated species
C. An organism from which multiple species evolved
A. A species that went extinct without leaving any descendants
36
A tree being blown around by the wind is an example of:
B. Nastic movement
C. Thigmotropism
A. Hydrotropism
D. Geotropism
37
Which of the following is the male part of the plant?
Ovary
Stigma
Stamen
Style
38
What does the presence of vestigial structures in an organism suggest?
D. The organism has no evolutionary history.
A. The organism is perfectly adapted to its environment.
B. The organism has recently evolved.
C. The organism has a common ancestor that used those features
39
Which hormone is primarily involved in phototropism?
C. Auxin
D. Ethylene
B. Gibberellin
A. Cytokinin
40
Which of the following is NOT a type of evidence used to support the theory of evolution?
D. Supernatural events
C. Embryological similarities
A. Fossil records
B. Genetic sequences

HSCR Quiz 2 Flashcards | StudBud