What is the most common element in a star such as the Sun?

Select one:

a. helium

b. oxygen

c. nitrogen

d. hydrogen

Which is a function of tye thyroid gland

Which statement concerning sexual reproduction is correct? It is not necessary in order for the individual to survive. The offspring are identical to the parent. It is necessary in order for the individual to survive.

In mammals, maternal tissues form a placenta to support the development of the fetus. A) true B) false

What features set early hominins apart from other primates

8) In rabbits, the allele for black fur, B, is dominant over the allele for brown fur, b. Calculate the probability of a homozygous dominant (BB) offspring resulting from a cross between two parents with the genotype Bb.

An element's atomic number is 5. How many protons would an atom of this element have?

Biology is the study of living things. Why do you think viruses are discussed in biology books?

How many cotyledons would be found in a flowering plant with nine petals on each flower and long leaves with parallel leaf veins? a. Three b. Zero c. Two d. One

Use photosynthesis in a sentence

What is Chromatid? what is genome?