Mechanisms of Evolution, Cladograms, Viruses_HB

Obavezno

1

Movement of individuals into or out of a population is _______________.

gene flow

gene drift

mutation

natural selection

Obavezno

1

A change in DNA that creates a new allele is _______________.

gene flow

gene drift

mutation

natural selection

Obavezno

1

Random change in allele frequency, usually in small populations is _______________.

gene flow

gene drift

mutation

natural selection

Obavezno

9

Which of the following best describes the Founder Effect?

A disaster reducing the population to a small number, followed by recovery and expansion.

A small group splintering off and starting a new colony, affecting the gene pool of the new population.

Genetic variation caused by random mate selection and fertilization.

Increased competition for limited resources in a population.

Obavezno

10

What happens to the gene pool of a population after a bottleneck event?

It expands with increased genetic diversity.

It narrows with some alleles lost.

It remains unchanged.

It becomes more similar to the original population.

Obavezno

9

Which of the following best describes the effects of gene flow on a population? Select all that apply:

Gene flow can result in genetic mixing across regions.

Gene flow can increase the differences between populations.

Gene flow tends to cause a population to become more genetically isolated

Migration and distribution can alter allele frequencies within sub-populations.

Obavezno

1

Which organisms is most closely related to the Prorastomus?

Trichechidae

Dugonginae

Protosiren

Halitherinae

Obavezno

1

What characteristic seperates the Protosiren from the Trichechidae?

Reduced pelvis

Enlarged tail

Quadrupedal swimming

Reduced hindlimbs

Obavezno

1

Researchers analyzed a mitochondrial gene of different bat species to determine relatedness. A cladogram of their results is shown.
Based on the cladogram, which set of bat species is the least related?

Cynopterus sphinx and Chironax melanocephalus

Dyacopterus spadiceus and Otopteropus cartilagonodus

Ptenochirus minor and Megaerops niphanae

Haplonycteris fischeri and Ptenochirus jagori

Obavezno

3

Drag and drop the name of each component of the virus below.

Drugi mogući odgovor:

Capsid

DNA or RNA

Tail Fibers

1

Viruses are considered living organisms.

Tačno

Netačno

Obavezno

1

Put the following in order from smallest to largest.

Prokaryotic cell
Eukaryotic cell
Virus

Obavezno

1

Which of these describes a difference between viruses and cells?

Cells reproduce independently, and viruses require a host to reproduce.

Viruses have membranes made of proteins, and cells have membranes made of nucleic

Cells contain protein, and viruses contain only carbohydrates.

Viruses have flagella, and cells have only cilia.

Mechanisms of Evolution, Cladograms, Viruses_HB

Movement of individuals into or out of a population is _______________.

A change in DNA that creates a new allele is _______________.

Random change in allele frequency, usually in small populations is _______________.

Which of the following best describes the Founder Effect?

What happens to the gene pool of a population after a bottleneck event?

Which of the following best describes the effects of gene flow on a population? Select all that apply:

Which organisms is most closely related to the Prorastomus?

What characteristic seperates the Protosiren from the Trichechidae?

Researchers analyzed a mitochondrial gene of different bat species to determine relatedness. A cladogram of their results is shown.Based on the cladogram, which set of bat species is the least related?

Viruses are considered living organisms.

Put the following in order from smallest to largest.

Which of these describes a difference between viruses and cells?

Movement of individuals into or out of a population is _______________.

A change in DNA that creates a new allele is _______________.

Random change in allele frequency, usually in small populations is _______________.

Which of the following best describes the Founder Effect?

What happens to the gene pool of a population after a bottleneck event?

Which of the following best describes the effects of gene flow on a population? Select all that apply:

Which organisms is most closely related to the Prorastomus?

What characteristic seperates the Protosiren from the Trichechidae?

Researchers analyzed a mitochondrial gene of different bat species to determine relatedness. A cladogram of their results is shown.Based on the cladogram, which set of bat species is the least related?

Viruses are considered living organisms.

Put the following in order from smallest to largest.

Which of these describes a difference between viruses and cells?

Researchers analyzed a mitochondrial gene of different bat species to determine relatedness. A cladogram of their results is shown.
Based on the cladogram, which set of bat species is the least related?

Researchers analyzed a mitochondrial gene of different bat species to determine relatedness. A cladogram of their results is shown.
Based on the cladogram, which set of bat species is the least related?