African Biodiversity Notes

Multiple Choice

When one parent organism produces offspring without meiosis and fertilization:

• asexual reproduction

• sexual reproduction

Multiple Choice

What is an disadvantage of asexual reproduction?

• An organism can reproduce without a mate

• Some organisms can quickly produce a large number of offspring

• There is little genetic variation within a population

Multiple Choice

A type of reproduction in which the genetic materials from two different cells combine, producing offspring:

• asexual reproduction

• sexual reproduction

Multiple Choice

An organism that has been reproduced by asexual means receives ______________ of its chromosomes from its one parent.

• 3

• 25%

• 50%

• 100%

Multiple Choice

In asexual reproduction, all of the offspring are:

• Physically Identical

• Genetically Identical

• Physically and Genetically Identical

• Not Identical

​Gamete

​Gamete

Fertilization

Zygote

​Offspring

Multiple Choice

Half the _________ in the offspring come from each parent.

• genes

• molecules

• particules

• substances

Multiple Choice

A sperm and an egg join together in a process called ________

• fertilization

• meiosis

• condensation

• mitosis

Multiple Choice

When an egg is fertilized by a sperm cell, a new cell, called a _______

• zygote

• eukaryote

• prokaryote

• gene

Multiple Choice

Sexual reproduction increases genetic _______

• variation

• division

• explanation

• condensation

Multiple Choice

A 2n cell of a bat has 44 chromosomes, how many chromosomes will you find in one of his gametes

• 23

• 22

• 44

• 88

Multiple Choice

Squirrels have 40 chromosomes in its diploid cells. How many chromosomes will you find in their egg cells

• 40

• 23

• 20

• Not enough information to answer the question

Multiple Choice

A dog has 78 chromosomes in its body cells.  What is the diploid number?

• 78

• 39

• 1

• 100

Multiple Choice

A Goat has 60 chromosomes in its body cells.  What is the haploid number?

• 60

• 30

• 100

• 120

Multiple Choice

Body cells have diploid or haploid number of chromosomes?

• Haploid

• Diploid

Multiple Choice

Are the cells produced in meiosis identical or unique?

• Identical

• Unique

• It's random

Multiple Choice

What happens in Meiosis that causes the cells produced to be unique?

• Metaphase 2

• Interphase

• Splitting of Cytoplasm

• Crossing Over

Multiple Choice

The formation of a new species is called

• Natural selection

• Struggle for existence

• Speciation

• Darwinism

Multiple Choice

A new river forms and splits two populations, causing ______________ speciation

• Sympatric

• Allopatric

• Extreme

• Convergent

Multiple Choice

A speciation in which new species evolve from a single ancestral species while inhabiting the SAME geographic region.

• Sympatric speciation

• Allopatric speciation

• Complex speciation

• Divergent speciation

Multiple Choice

Orcas occur in the same habitat but some are avoiding each other and do not interbreed. They have different diets, vocal behavior, and social structures. What type of speciation is this?

• Allopatric

• Sympatric

• Complex

• Covergent

Multiple Choice

The emergence of a mountain range is an event that would lead to _______________ speciation

• Allopatric

• Sympatric

• Temporal

• Behavioral