The process by which a sperm cell combines with an egg cell is called

What is the psychological timepiece that recods the major milestone in a person's life? a. The filter b. The social clock c. The status factor d. The reality gradient

Prokaryotic cells in a scenince

Plants store their waste products in a vacuole. The waste products are recycles back into the ground in the fall when the leaves fall off. Which of the following make up the waste products that plants get rid of? A. Oxygen and urine B.

True or false: lactobacillus is typically anaerobic. a. True b. False

Which set of traits best characterizes the amphibian class? Select one: a. tetrapod, gills, moist skin, scales b. tetrapod, lungs, moist skin, scales c. tetrapod, gills, lungs, scales d. tetrapod, gills, lungs, moist skin

Why did Gregor Mendel use peas in his experimentsGregor Mendel's research formed the basis of the field of

Why does the shape of moon change when seen from earth

How the insect grow although their body is entirely covered by chitin which is non elastic and non fexible

What is an example of a specialized cell

Energy produced from material that comes from living organisms is known as