Why do scientists that that photosynthetic prokaryotes were probably not the first life forms on earth

Which could most likely have a lasting negative impact on the biodiversity of an area?

What are the three ways thermal energy is transferred

What units are used in a energy pyramid

What is a practice of producing only one crop at a time?

Use this factor to calculate your protein needs based upon weight in kilograms. 1. 0.8 grams/kilogram 2. 1.2 grams/kilograms 3. 4.0 grams/kilograms a

Where does the energy in food come from?

In tropical climates, why is there heavy vegetation but poor soil? a. chemicals cause the soil to be too acidic. b. heavy rainfall washes essential nutrients from the soil. c. heavy rainfall mechanically weathers the soil. d.

What is the process in which humans breed organisms for certain traits?

In which part of body is not found sebaceous glands?

Which of the following accurately describes the angiosperm plant life cycle? A. The ovule develops into an anther. B. The anther produces eggs. C. The embryo develops into a seedling. D. The ovary is haploid.