Competition can affect a population size?

A. True

B. False

What were the main requirements for plants to be able to survive on land compared to aquatic plants?

The movement of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration is referred to as

What is the function of the placenta? a. it protects the vagina. b. it fertilizes an egg. c. it nourishes the embryo. d. it covers the cervix.

Which biome receives 200 to 400 cm of rain per year? A) deciduous forest B) temperate rain forest C) taiga D) grassland

Which is the main role of the strong acid released in the stomach during digestion

Select the correct answer. Mary is campaigning for improved air quality in her city. She is very concerned about carbon and methane outputs, but not phosphorous. Why is that? A. She thinks phosphorous makes a positive contribution to air quality. B.

How does genetic vatiation and enviromental factors contribute to evolution by natural selection and diversity of organisms?

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What technology are scientists using to search for other planets? How are they using this technology to identify other planets?

Much of the Florida landscape is built upon limestone. Frequent rains seep down and erode the limestone as the rainwater travels to underground caverns or aquifers. Which of the following landforms could be created as a result of this process?