If twins are born and one is a boy and one is a girl, are they identical or fraternal siblings?

a. identical

b. neither

c. fraternal

d. both

Does mold produce a toxin to kill bacteria? Or does mold prevent the growth of bacteria on a petri dish?

Homeostasis is defined as the constant interaction of the internal and external environments around an organism. maintaining body shape. the process of setting up a home environment.

3 - What are some source of electricity?

Are the youngest rocks found far from the mid-ocean ridges

When we don't consume enough carbohydrate, what substances does the body produce as an alternative fuel?

As mentioned that the brain contains at least 100 billion neurons, more than a person needs, the brain going through rapid growth has transient exuberance which needs pruning. Why does the brain need to be pruned?

Ponds and lakes form when water collect in areas of land?

How would homeostasis be affected if the pancreas did not release insulin?

Which of the following is true? A. Thirst is the best indicator of water requirement during competition. B. A critical time to replace bodily fluids is while exercising. C.

What cell part stores material within the cell?