Cells contain a specific balance of salt and water. what happens if a cell is dropped into container of pure water

When testing fertilizer on a tomato farm, one patch of soil is given fertilizer and another patch (the same size) is not. Which one is the experimental group? A. The amount of rain B. The amount of sunlight C. The fertilized soil D.

What component of membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances?

Even if a rudimentary organ actually has a function about which we observers are unaware why would it still provide excellent evidence in support of evolution by descent

A scientist notices an increase in the glucose production in the plants he is studying. What are the possible reasons? Check all that apply. 1. The plant was exposed to more intense light. 2. The plant was exposed to less intense light. 3.

9. In a freshwater ecosystem such as a lake, a fish has worms that live in its gut living off the nutrients the fish takes in. What type of relationship does this describe?

What type of molecule that can be found in living things lacks carbon atoms

The major weakness of the job descriptive index (jdi) is that

What word refers to traces of an organism that existed in the past?

Which of the following would likely extend the Earth's supply of a nonrenewable resource?

How many growing seasons do plants with herbaceous stems usually survive?