Nitrogen-fixing bacteria change nitrogen into a form of soluble nitrates that plants can use ...the air is 80% nitrogen but it is in N2 form which plants cannot use
Answer:
C. They self-fertilize
Explanation:
A is wrong: they are diploid
B is wrong: it definitely has chromosomes
D is wrong: since it has chromosomes it can potentially have recessive traits
Answer:
Monocots have bundles of xylem and phloem mixed throughout their stem with vascular cambium between, an arrangement found on many herbaceous plants. Dicots, like trees and many woody stems, organize their parts in rings. A cork cambium, the growth layer, is found between the xylem and phloem in the ring
Explanation:
Answer:
According to the picture, during a solar eclipse the moon must be in position A, interposed between the sun and the earth.
Explanation:
A solar eclipse is due to the interposition of the moon between the sun and the earth, which produces that the solar rays do not reach certain points of the planet.
The lunar phase that is shown during a solar eclipse is the new moon phase, because the satellite does not show the side illuminated by the sun. At this point, the moon must be close to the solar orbital plane for the phenomenon to occur.