A nonliving element in an ecosystem is a/an ---

Which of the following is NOT an abiotic factor?

Which of the following is NOT a biotic factor?

This is any close relationship between any two different species in an ecosystem

Both species benefit

One species benefits, the other is unaffected

One species benefits, the other species is harmed

What type of organism makes its own food?

Which category of organism cannot make its own food?

Which of the following best describes weather?

Which of the following best describes climate?

An extensive drought in the plains threatens wildebeest, giraffe, zebra, and springbok populations.

Due to the stress of crowded conditions, large numbers of female mice miscarry their babies and fail to reproduce.

What is the movement of individuals into a population called?

What is the movement of individuals out of a population called?

The level of biodiversity that involves a variety of habitats is _____ diversity.

The more different types of organisms and the more relationships that can occur between organisms the greater the...

Grace is bringing treats to her Algebra 1 class on her birthday. The number of treats she brings is based on the number of students in her class.

Which of the variables is independent?

A ____ variable remains constant, or does not change.

Heterotrophs that “clean up” the ecosystem by eating dead and decaying organisms.

Click on the picture to answer the question. What is true about a food chain?

Click on the picture to answer the question. What is true about a food web?

The area of an aquatic ecosystem that is near shallow, near shore, & has an abundance of sunlight & wildlife

From the surface to the deepest, which is the correct position of the 3 zones of lakes and ponds?

The deepest part of a large lake; much colder and low in oxygen gas

Ecosystem found on marine shorelines alternating between high and low tide

Which ocean zone allows plants to grow??

Which of the following tells you population density?

The graph shows the growth of a bacterial population. Which of the following correctly describes the growth curve?

For most populations that are growing, as resources start to become less available, the population

A process in which all of the members of a species die out is called ________________.

__________ means "excessive use of species for economic value"

The separation of a habitat into small pieces of land is called _____________________.

Resources that are replaced by natural processes faster than they are consumed are called ___________________. (example: solar power)

Resources that are limited in amount or take an extremely long time to replace are called ____________________. (example: oil)

A species that is likely to become extinct if protective measures are not taken immediately is known as

Which applies to this environmental problem:

Invasive carp are fast-growing, aggressive, and adaptable fish that are outcompeting native fish species for food and habitat in much of the mid-section of the United States.

If a habitat is destroyed or disrupted, the native species might have to relocate or they will die.

The scientific study of human populations

Change in a population from high birth and death rates to low birth and death rates

What is a condition that halts population growth?

If a country's birth rate is 50, and their death rate is 50, how would you define their population growth?

Which of the following affect a population's growth rate?