How do identical twins form?

A. A fertilized egg splits in two.

B. Two eggs are fertilized by one sperm.

c. Two eggs are fertilized by two sperm.

D. Two sperm fertilize an egg

An atom of the most common isotope of neutral potassium has a nucleus composed of 19 protons as well as

In what type of individual would you expect to find the greatest incidence of osteoporosis?

Describe one job that they have and explein why this job would be important to order for living things

6. What is the elliptical galaxy that is closest to the Milky Way? The Sagittarius dwarf elliptical galaxy Large Magellanic Cloud The Globular Cluster Omega Centauri

Identify the composition of oceanic and continental crystal rocks. In a model of Earth's interior, where would these rocks appear?

You are working with a team of scientists who are investigating the biochemical control system involved in how animals digest fats in their meals.

A balanced polymorphism exist through disruptive selection in seed cracker finches from Cameroon in which small and large billed birds specialized in cracking soft and hard seeds, respectively.

True or false: if its phosphate groups were uncharged, atp would not be especially high in energy compared to adp a. True b. False

When an ecosystem ecologist looks at landscape full of interacting plants and animals, all kinds of questions about how ecosystems function come to mind, and they are not that easy to answer.

Which types of freely movable joints are often found in areas of the body such as the shoulders and hips needing movement in many directions? A. Pivot joints b. Hinge joints c. Ball and socket joints D. Saddle joints