What is suggested by the similarity of early embryos of different species of vertebrates?

evolution from a distant common ancestor

no evolutionary relationships between the groups

similar environments in the past

Mutations are important because they bring about

genetic variation needed for a population to evolve

death of the organism in which they develop

benefits for the individual, not for the population

Hardy-Weinberg equilibrium within a population

A mutation occurs in a particular animal and quickly begins to increase in frequency throughout the population. Which of the following are you most likely to conclude?

The mutation increase the probability that the animal will reproduce.

The mutation makes the animal grow larger

The mutation does not confer any benefit or harm to the animal

The mutation makes the animal more susceptible to predators

Which statement correctly explains how resistance to penicillin appeared after a few years of its widespread use to fight bacterial infection?

some bacteria were resistant to penicillin and their population spread rapidly, without competition from bacteria that were killed by penicillin

in order to survive exposure to penicillin, bacteria developed a resistance to the drug

a few bacteria became resistant to penicillin, and through sexual reproduction , most bacteria acquired the resistance

penicillin never really successfully wiped out populations of bacteria, scientist did not use proper controls in their studies

A species is a group of similar organisms that

can mate with each other and produce fertile offspring.

can live together on an island.

can migrate to an island from the mainland.

all have exactly the same traits.

What did Darwin infer from his observations of organisms in South America and the Galápagos Islands?

A small number of different plant and animal species had come to the Galápagos Islands from the mainland.

The organisms on the Galápagos Islands were virtually identical to mainland organisms.

A small number of different plant and animal species had come to the mainland from the Galápagos Islands.

The organisms on the Galápagos Islands were completely unrelated to mainland organisms.

What is the role of genes in evolution?

Only traits that are controlled by genes can be acted on by natural selection.

Only genes can be acted on by natural selection.

Parents with recessive genes die from overproduction.

The genes of most surviving parents have only dominant alleles.

the preserved remains or traces of organisms that lived in the past

molds and casts of organisms that live today

drawings of ancient animals and other organisms

footprints or burrows of small animals that live today

What did Darwin observe about finches in the Galápagos Islands?

Their beaks were adaptations related to the foods the finches ate.

Their feathers were adapted to match their environment.

They had identical genotypes in all locations.

Their beaks were similar and NOT related to the foods the finches ate.

How does natural selection lead to evolution?

Helpful variations accumulate among surviving members of the species.

Stronger offspring kill weaker members of the species.

Overproduction provides food for stronger members of the species.

Environmental changes favor weaker members of the species.

Which of these would be considered an adaptation of an animal that lives in the snowy tundra?

A thick coat of fur and blubber

A diet that consists of pineapples and coconuts

James Hutton's and Charles Lyell's work suggests that

Earth is several million years old

Earth is several thousand years old

All fossils were formed in the last 100 years

All rocks on Earth contain fossils

Which is a major concept included in Lamarck's evolutionary hypothesis?

Body structures can change according to certain actions of the organism

Change is the result of survival of the fittest

A small population size decreases the rate of evolution

Artificial selection is the basis for evolution

The economist Thomas Malthus suggested that

without certain checks on population size, there would soon be insufficient food for the growing population.

in human populations, people die faster than babies are born.

in the 1700s, England needed more housing

the majority of a specie's offspring die.

Which of the following is an observation by Darwin that drives changes in species over time?

There is competition and not all offspring survive

Chapter 19 Evolution - Descent with Modification Practice

Authored by Stephen Chawla

Biology

11th - 12th Grade

NGSS covered

Used 143+ times

Chapter 19 Evolution - Descent with Modification Practice

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a true statement about natural selection?

it is goal directed

individuals evolve

variation exists in a population

acquired characteristics

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using the cladogram: a common ancestor of amphibians and ray-finned fish would have

a bony skeleton

four limbs

scaly skin

eggs with shells

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The wing of a bat and a humans' arm have different functions and appear very different. Yet, the underlying anatomy is basically the same. therefore, these structures are examples of

geographic isolation

analogous structures

homology

reproductive isolation

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sharks and dolphins are examples of which of the following?

adaptive radiation

divergent evolution

founder effect

convergent evolution

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Variations in a population are maintained by

mutations

genetic recombination

gene flow

all of the above

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not involved in natural selection?

competition for resources

differences in reproductive success

inheritable variation in populations

selected traits by a breeder

Tags

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

a bird that can easily outcompete other birds for food and that can produce many eggs has a high

sexuality

mutation rate

fitness

adaptability

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-1

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Chapter 19 Evolution - Descent with Modification Practice

Which of the following is a true statement about natural selection?

Using the cladogram: a common ancestor of amphibians and ray-finned fish would have

The wing of a bat and a humans' arm have different functions and appear very different. Yet, the underlying anatomy is basically the same. therefore, these structures are examples of

Sharks and dolphins are examples of which of the following?

Variations in a population are maintained by

Which of the following is not involved in natural selection?

a bird that can easily outcompete other birds for food and that can produce many eggs has a high

What is suggested by the similarity of early embryos of different species of vertebrates?

If an organism has a vestigial structure, that structure likely once had a function in a(n)

Mutations are important because they bring about

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