Answer:
a) Homozygous
Explanation:
An organism in which the two copies of the gene are identical is called homozygous in that gene. An organism with two different alleles of the genes is called heterozygous.
I think it might be prism I’m not sure
Answer:
Natural selection is one of the mechanisms by which an organism evolve. In the natural selection when the trait of an organism allows the organism to grow and reproduce in an environment and nature selects it, it is then passed on to the generations and become permanent.
Artificial selection is also one of the mechanism of evolution in which instead of nature, the selection is made by humans like the breeding experiments on dogs and plant crops.
The artificial selection and natural selection are interlinked as in the artificial selection the trait selected by the humans were also selected by nature like the case of crops, the crossing between desired plants produced results which were useful to the humans but grew and reproduced only when the environment selected it to grow and reproduce.
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Answer:
Explanation:
Phloem cells are conducting vessels that are found in vascular plant. They are used in the transport of photosynthate produce during photosynthesis from the source of production to other parts of the body.
It consist of sieve elements, which are the conducting vessel that aids transport of sugar round the body. They are very active before maturity at mature they are no longer in use.
Companion cells are used in replacement of sieve element at maturity, they function in metabolism together with the sieve tube Translocation is the transport or movement of sugar round the body.
Girdlings is the removal of the bark of a plant this can inhibit active transport of food.
Non-reducing sugar are monosacharrides such as glucose that are produce and transported round the body of the plant.
P-protein are found in the plants sap usually in large amount in the sieve elements.
