Answer:
B. Contains the male gametophytes
Explanation
The male cones release their pollen, which is carried around the air by blowing wind, and hopefully to another female pine cone on a different pine tree. Sorry this isn't under 20!
Geological change will not cause a mass extinction, because it happens on a too big scale - on the scale of millions of years. During such long time, it is more likely that other causes will influence the survival of extinction of species, such as climate change or environmental disasters, and even if there is a small influence, it would not be significant next to other causes.
Answer:
b c and d
Explanation:
they are from different species therefore would not compete for same mates.
Answer:
Arteries carry blood away from the heart
Explanation:
Veins carry the blood back to the heart.
Hope this helps!
C , because Each strand of DNA acts as a template for synthesis of a new, complementary strand. Replication produces two identical DNA double helices, each with one new and one old strand.