Ch 4 Issues

A group of individuals that interbreed and produce fertile offspring

• population

• species

• ecosystem

• organism

Which only includes biotic factors?

• ecosystem

• habitat

• community

• environment

Which of the following describes a population that is distributed evenly across an area?

• random

• clumped

• uniform

• crowded

Which of the following in NOT included in a typical age structure diagram?

• the population's sex ratio

• the relative number of people in different age groups

• the population's historical growth

• the proportion of reproductive-aged individuals

seasonal movement of individuals into and out of a population

• immigration

• emigration

• natality

• migration

how do you calculate population growth?

• immigration - emigration

• (immigration + births) - (emigration + births)

• births - deaths

• (immigration + births) - (emigration + deaths)

The largest population size a given environment can sustainably support

• limiting factor

• limiting capacity

• carrying capacity

• biotic potential

A population that increases 5 % every year is said to be experiencing what type of growth? AKA a ( J curve)

• Logistic growth

• Exponential Growth

• Unlimited growth

• Maximum Growth

The primary difference between a community and an ecosystem is that an ecosystem includes biotic factors

• True

• False

• Depends

• IDK

A population's density describes how the individuals of a population are arranged over an area.

• True

• False

• IDK