In pine trees the male cones produce

a. ovules.

b. pollen.

c. ovules and seeds.

d. pollen and seeds.

Which enzyme is used by rna viruses to directly replicate the viral rna genome?

What characteristic do insects, centipedes, and millipedes share? Check all that apply three pairs of legs one pair of wings one pair of antennae two body sections

Question According to the scheme for Sedimentary Rock Identification, which characteristic determines whether a rock is classified as a shale, a siltstone, a sanostone, or a conglomerate?

How does deposition change Earth's surface?

What is the study of planet Earth called?

Which type of cell is created during meiosis? A) skin B) liver C) blood D) sperm

What is the purpose of a reserve?

In which organelle are the lipid components of the cell membrane assembled

How much heat energy is needed to raise the temperature of 340 g of a sample of hydrogen gas from 20 to 45 degrees?

Broccoli, cauliflower, kale, Brussels sprouts, and cabbage are all just different breeds of a single type of weed commonly found along the shores of the English Channel. The differences between them were all gradually selected for by various farmers.