If you are interested in a particular species and are reading a cladogram which

Question

If you are interested in a particular species and are reading a cladogram which includes the species, which piece of information is LEAST available?

Question 1 options:

The ecological niche of your focal species

The most closely related species to your focal species

Physical or genetic characteristics of your focal species

The ancestors of your focal species

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Question 2 (1 point)

According to Wilson, "ecological release" is a(n) _______ of adaptive radiation.

Question 2 options:

cause

type

effect

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Question 3 (1 point)

A(n) _______________ is a hypothesis about the relationships among organisms.

Question 3 options:

adaptive radiation

niche

convergent evolution

phylogenetic tree and/or cladogram

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Question 4 (1 point)

Most species of organisms which live on land are found in

Question 4 options:

forests in temperate regions of the world.

rain forests.

deserts.

very cold boreal forests and arctic tundra.

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Question 5 (1 point)

Which is considered an arbitrary construct of the way scientists communicate with each other?

Question 5 options:

A species

A taxonomic order

A cladogram (part of the family tree of life)

The ancestor of a living species

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Question 6 (1 point)

We take a species that is previously only known from Mexico, and introduce it into Minnesota. It survives and successfully reproduces in Minnesota. This demonstrates that the species' niche is narrower than we thought.

Question 6 options:

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Question 7 (1 point)

The comparison of a wolverine and a Tasmanian devil is best viewed as an example of

Question 7 options:

Adaptive radiation

Homology

Convergent evolution

Cladistics

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Question 8 (1 point)

In geologic history, South America had an almost entirely unique collection of species. Today, South America has many fewer unique species than it did (though still a lot). In the end, this change is a result of

Question 8 options:

Competition for niches

Mutation

Adaptive radiation

Cladistics

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Question 9 (1 point)

New species of large organisms are ________ found in recent years.

Question 9 options:

routinely

occasonally

never

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Question 10 (1 point)

Large, furry and feathery animals make up ________ of the species on Earth.

Question 10 options:

a minority

half

the majority

none

all

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Question 11 (1 point)

When observing two independent adaptive radiations on two continents, it is possible to also observe convergent evolution in action.

Question 11 options:

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Question 12 (1 point)

Essentially all scientists agree that dogs are descendants of wolves. An argument about whether dogs are in the same species as wolves or comprise their own species is fundamentally an argument about

Question 12 options:

species concepts

cladistics

classification

convergent evolution

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Question 13 (1 point)

Study of DNA in soil makes us realize there is probably _______ species on Earth than we previously thought.

Question 13 options:

a smaller number of

a larger number of

about the same number of

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Question 14 (1 point)

Which information is NOT a component of a species' ecological niche?

Question 14 options:

What the animal eats

Nutrient levels in the soil it lives on

Annual rainfall where the species lives

What the animal might try to eat if we transported it to another continent

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Question 15 (1 point)

Everything else being equal, a taxon in the ______ level of classification should have the most species in it.

Question 15 options:

Family

Order

Genus

Phylum

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Question 16 (1 point)

In the process of analyzing the tree of life, which do scientists do first?

Question 16 options:

Assemble the tree of life

Name families, orders and phyla

Collect detailed ecological information

Figure out which species is which

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Question 17 (1 point)

Which of the following are considered by scientists to be components of biodiversity?

Question 17 options:

The number of species

The abundance of each species

The proportion of the community of individuals which is made of each species

All of the above

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Question 18 (1 point)

An island exists with a full complement of species, occupying all available niches. Several evolutionarily unrelated species travel to the island, and become established as permanent breeding residents. This is probably an example of

Question 18 options:

Niche competition

Convergent evolution

Adaptive radiation

None of the above

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Question 19 (1 point)

Evolutionary biologists have scientifically described ______ of the species on earth.

Question 19 options:

a minority

the majority

half

none

all

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Question 20 (1 point)

A number of bird species formerly inhabiting the Hawaiian islands are now extinct. The best explanation for this involves

Question 20 options:

Adaptive radiation

Niche competition

There were empty niches prior to human colonization

Convergent evolution

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The ecological niche of your focal species

The most closely related species to your focal species

Physical or genetic characteristics of your focal species

The ancestors of your focal species

Explanation / Answer

1- The ecological nich of your focal species.

2- According to Wilson, "ecological release" is a(n) __type_____ of adaptive radiation.

3-phylogenetic tree and/or cladogram

4 - Most species of organisms which live on land are found in rain forests.

5 - A cladogram (part of the family tree of life)

6- False

7- convergent evolution

8- competition for niches

9 - occasionally

10- A minority

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