Biosphere Unit 2 (Part 2)

When a population passes its carrying capacity, which of the following will likely happen?

• natality rates will increase

• competition will decrease

• mortality rates will increase

• a population can not pass its carrying capacity

Tags

NGSS.HS-LS2-1

What type of population growth is shown in part A of this graph?

• Logistic growth

• Exponential growth

• Linear growth

• Arithmetic growth

Tags

NGSS.HS-LS2-1

The Kaibab squirrel became its own species when a small population was isolated on the northern rim of the Grand Canyon. Which type of speciation is this?

• behavioral isolation

• mechanical isolation

• temporal isolation

• geographic isolation

Tags

NGSS.HS-LS4-2

Identify the density-dependent limiting factors

• disease

• fire

• predators

• hurricane

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

The type of survivorship curve that shows high fertility rates and early mortality is

• Type 1

• Type 2

• Type 3

Individual species are well documented on a central registry

• True

• False

In general, which of the following is the best long-term method of preventing extinctions?

• Breeding endangered species in captivity

• Protecting the habitats of endangered species

• Paying people not to kill endangered species

• Providing food to endangered species in the wild

• Removing predators from areas that contain endangered species

Tags

NGSS.HS-LS2-7

Over-exploitation of animals is likely to cause

• species extinction

• interspecific competition

• behavioral isolation

• speciation

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

If the gene pool of two populations are separated, the populations may develop into a new species. This is called

• natural selection

• speciation

• genetic separation

• interspecific competition

Tags

NGSS.HS-LS4-5

20 different species of galagos, also known as bushbabies, are found in Africa. Even though various species of galagos share habitats, they cannot interbreed with one another because of their differently structured genitalia. Which type of speciation is this?

• behavioral isolation

• mechanical isolation

• temporal isolation

• geographic isolation