Which of the following is true about sexual reproduction?

A. The offspring are composed of haploid cells.

B. The offspring are genetically unique.

C. The production of offspring involves mitosis.

D. The production of offspring involves meiosis.

Which is a renewable energy resource? A. uranium B. natural gas C. biomass fuel

What is the metalloid in Group 3?

In humans, a combination of XX chromosomes results in a female zygote and that of XY result in a male zygotes. From whom does the a male zygotes inherit an X chromosome

Which type of currents occurs when surface water on the ocean becomes denser than the water below it and sinks?

How can become smart

Which traight was important in the advancement of modern fish

Round (R) seed shape is dominant to wrinkled (r) seed shape in pea plants. If an RR plant is crossed with an rr plant, what is the frequency of phenotypes in the F2 generation? a. All wrinkled seeds b. All round seeds c. 1/4 RR, 1/2 Rr, 1/4 rr d.

Would a scientist who studies evolution also have to learn about other branches of if biology?

How many tigers are left in the world?

Which continents contain coal fields that provide evidence for continental drift?