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BIO 114 (EXAM 4) (Answered) 137 Questions and Correct Answers With Verified Solution | Graded A+ | 100% Correct| Latest Updated Fall 2024/2025. $12.99   Add to cart

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BIO 114 (EXAM 4) (Answered) 137 Questions and Correct Answers With Verified Solution | Graded A+ | 100% Correct| Latest Updated Fall 2024/2025.

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BIO 114 (EXAM 4) (Answered) 137 Questions and Correct Answers With Verified Solution | Graded A+ | 100% Correct| Latest Updated Fall 2024/2025.

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BIO 114 (EXAM 4) (Answered) 137 Questions and
Correct Answers With Verified Solution | Graded A+ |
100% Correct| Latest Updated Fall 2024/2025.
Natural selection

favors individuals that reproduce more than others.

Adaptation

describes a trait that increases an individuals ability to survive in a particular environment

Heritability

the ability of a trait to be passed onto an offspring

What organism could be produced by artificial selection?

a cow that produces a large quantity of milk

A larger Hen, Large Rooster

can be bred to produce larger chickens

Cetaceans evolved before even-toed ungulates, such as deer and cows. T/F

FALSE

There are only two extinct groups of cetaceans: Rodhocetus and Dorudon. T/F

FALSE

Living cetaceans share a more recent common ancestor with hippopotamuses than with extinct
cetaceans. T/F

FALSE

Rodhocetus went extinct approximately 40 million years ago. T/F

TRUE

All the branches that extend to zero on the timeline represents animal groups living today.

TRUE

Proteomics

reveal a set of proteins within a cell or tissue type, that genomics cannot

gene density - humans have ~20,000 protein-encoding genes in a 3,000 Mb. T/F

TRUE

, Reinforcement is a type of natural selection

TRUE

Genetic drift

a change in allele frequencies caused by random events.

What three animals have identical amino acid sequences for the FOXP2 protein?

Chimpanzee, gorilla, rhesus monkey

At which point in the adaptation of a population is it clear that speciation has occurred?

Gene pool changes establish reproductive barriers between two populations

Which of the following evolutionary mechanisms does not contribute to the process of allopatric
speciation?

gene flow

What is the first thing that must happen in order for speciation to occur?

gene flow between populations must be interrupted

The morphological species concept distinguishes species by

body shape and other structural species

A new species of plant arises as an allopolyploid from two other plants, one with a diploid number of
14 and one with a diploid number of 18. What would the diploid number of the new species most
likely be?

32

Which of the following organisms is most likely to be subject to allopatric speciation?

Pine trees in Alaska and pine trees on the island of Madagascar

Prezygotic barriers

prevent fertilization of gametes from members of closely related species

In which of the following groups has sympatric speciation been most important?

plants

Which of the following is an example of a postzygotic reproductive barrier?

Two fruit flies of different species produce sterile offspring

In the case of the Lake Victoria cichlids, sympatric speciation has been shown to be driven by

sexual selection

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