population ecology

What factor describes when populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

What factor describes when populations decrease because animals are moving out of a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

Tags

NGSS.HS-LS2-2

What term is used to define anything that regulates the size of a population?

• density

• a limiting factor

• carrying capacity

• biodiversity

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-6

If birth rate plus immigration exceeds death rate plus emigration, a population _______.

• grows
• declines
• stays the same
• none of the above

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2

Under ideal conditions with unlimited resources, a population will have ________.

• linguistic growth
• experimental growth
• exponential growth
• logistic growth

Tags

NGSS.MS-LS1-5

Which of the following are abiotic factors that shape ecosystems?

• worms, plants, and temperature

• wind, precipitation, and soil type
• niches, trees, and bacteria
• sunlight, mushrooms, and wind

Tags

NGSS.MS-LS2-3

The common brushtail possum is a marsupial native to Australia. This possum was introduced to New Zealand where it had no natural predators and had an abundant food supply. Which of these likely occurred a few years after the introduction of this possum to New Zealand?

• The possums became extinct.
• The possums developed shorter life spans.
• The possum population grew to a larger size.
• The possum population evolved into a different species.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Nesting birds often space themselves evenly from other nests. This pattern is called

• clumped dispersion.
• uniform dispersion.
• random dispersion
• scatter dispersion

Tags

NGSS.MS-LS2-2

What is the best definition of a population?

• The number of plants and animals there are in an area
• The number of different species in one place at one time
• The number of individuals of one species living in the same place
• The total number of all organisms in an ecosystem