The segment of DNA that determines the inheritance of a particular trait is called a

The fossil of a plant reveals that it produced spores that were used for reproduction. Which type of plant was it

In which process does water from the plants to the air

Tundra and desert biomes have shallow soil profiles because weathering is limited by a lack of

What is the potential energy of a rock that weighs 100 newtons is sitting on top of a hill 300 meters high?

A chemical reaction proceeds until it reaches equilibrium. Which statement is true when the reaction is at equilibrium?

What brings greater concentration of dissolved nutrients to the ocean floor?

The power was off last night, and the yeast cultures in your incubator cooled down from 25 degrees to 20 degrees centigrade in temperature. to your great relief, you find that the yeast cells did not die.

Which of the following is a way that human modification of limiting factors causes unbalance in ecosystems? a. habitat loss b. pollution c. climate changes d. all of the above

What form is carbon in the atmosphere?

Both sneezing and coughing are examples of protective reflexes triggered by irritation. sneezing and coughing both involve a disruption in respiration. what is the formal name for the period when respiration is suspended