how do we calculate density of a population? a. add up the number of species. (1

Question

how do we calculate density of a population?

a. add up the number of species. (1 daphnia)

b. add up the number of species and divide that by the area (1 daphnia species in 10 ml = density of 0.1 daphnia per ml.

c. add up the number of individuals and divide that number by the area (10 daphnia in 10 ml = density of 1 daphnia per ml.

d. add up the area where the daphnia occure (10 ml of water)

2. Which of these is not a characteristic for the distribution of a population?

D.range

a. abundance

b. density

c. richness

QUESTION 20

Why hasn't every species evolved to grow fast, mature early, and have many large babies?

a. population ecology

b. competitive exclusion

c. diversity

d. trade offs

Explanation / Answer

1.

Population density can be described as the number of individuals by the area.

So among the given options, b suits best.

Hence answer is option b.

2.

Range, abundance and density are the features of a population. Richness does not represent distribution of population.

It rather describes diversity of a population.

Option c is the answer

Related Questions

Navigate

• Browse (All)
• Browse H
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.