Because meiosis creates cells that are destined to become gametes (or reproductive cells), this reduction in chromosome number is critical — without it, the union of two gametes during fertilization would result in offspring with twice the normal number of chromosomes!
Answer:
Xylem is Passive where Phloem is Active
Explanation:
Xylem carries water from roots to leaves, and is made up of dead cells. The cell walls are thick and made of lignin.
Phloem carries food from leaves to growing parts and storage organs. This is made up of living cells. The cell walls are thin and made of cellulose.
Answer:
8
Explanation:
8 legs! Tardigrades have long, plump bodies and eight stubby legs. They're closely related to insects and crustaceans but look a bit like pigs or bears — and are sometimes called “water bears.”
The answer is secondary compounds.
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