Biological Diversity

Question 1

Intraspecific competition is ______?

Answer 1

Competition between the same species

Question 2

Interspecific competition is ______?

Answer 2

Competition between different species

Question 3

What is a phenotype?

Answer 3

A phenotype is an observable trait an organism has determined by their genotype and environmental factors

Question 4

What is a genotype?

Answer 4

A genotype is the versions of an allele that an individual inherits (one from mom, one from dad)

Question 5

What is a gene?

Answer 5

A section of DNA that codes for a trait

Question 6

What is an allele?

Answer 6

Two versions of a particular gene (one inherited from mom and one from dad)

Question 7

What is the difference between discrete variation and continuous variation? What are some examples of each?

Answer 7

Discrete variation has a limited number of possibilities (blood type, tongue rolling) while continuous has a large range of possibilities (height, weight)

Question 8

What are somatic cells and how do they reproduce?

Answer 8

Any cell in an organism excluding sex cells, mitosis

Question 9

How many chromosomes in a gamete cell and a somatic cells?

Answer 9

Gamete - 23 Somatic - 46

Question 10

Place these in order from largest to smallest:

Gene
Nucleus
Cell
DNA
Chromosome

Answer 10

Cell -> Nucleus -> Chromosome -> DNA -> Gene

Question 11

Mitosis divides _______
Meiosis divides _______

Answer 11

Once
Twice

Question 12

Mitosis creates _____% alike cells
Meiosis creates _____% alike cells

Answer 12

100
50