The structure and function of mitochondria are often used as support for the endosymbiosis theory. Describe two of these properties and explain how they support the theory

Describe the structure of a fern plant

A line graph is the best way to represent the data in the table. What information belongs on the x-axis? salt concentration outside paramecium contractions per minute

Which scale would most likely be used to tell how much earthquake damage was done to homes and other buildings a. the Richter scale b. the Mercalli scale c. the moment magnitude scale d. the seismic scale

In some places on Earth, large tectonic plates are moving toward each other and collide with great force. One such place is where the Indian plate and the eurasian plate meet What would you expect to occur where these two tectonic plates collide? a.

3. What causes blood pressure? A. cholesterol in the blood B. stress that exercise puts on heart muscle C. contraction of the ventricles in the heart D. removal of oxygen from the blood

Genetic disorders can result when sister chromatids fail to separate properly. During which phase is this problem most likely to occur? A: g1 phase B:g0 phase C: Cytokinesis D:Mitosis

4. Which change describes a demographic transition? a. a population moves from a high birthrate and death rate to a high birthrate and low death rate b. a population moves from a high birthrate and low death rate to a low birthrate and death rate c.

Changes in genes within a kind do not form a different kind. true or false

This is the energy that comes to Earth from the sun.

If we increase our food intake, we generally gain weight. nutrition scientists can calculate the amount of weight gain that would be associated with a given increase in calories.