What is a plastid?

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Explanation:

A plastid is an organel that is found in the cells of plants, algae, and some other eukaryotic organisms. There are three kind of plastids; chloroplast, chromoplast, and leucoplast.

 Plastids contain pigments which is used in photosynthesis and the colour pigments that determine the colour of plant.

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

b. the carbon cycle ensures living things have a source of hydrogen