Answer:
what cnidarians you need to spell right
Answer:
Look below.
Explanation:
You could solve this by using a punnett square. I tried my best to repicate a punnett square below but look up punnett squares for more reference.
y y
----------------------------------------------------
r / yr / yr /
/ ---------------------/--------------------------- /
r / yr / yr /
-----------------------------------------------------
The probability of the phenotype being yr is 100% meaning that the phenotype would be yr which could be either yellow or red.
Answer: B
Explanation: I think the answer is B because natural selection leads to evolution because they happen in a line or like a chain reaction.
needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Answer:
Conservation tillage.
Explanation:
Tillage refers to agricultural methods that is practiced before growing crops it could be by digging, overturning , ploughing e.t.c.
Conservation tillage is a type of tillage that involve practices which leave the soil undisturbed. It could either be no till I .e the soil is not disturbed at all or mulch uses the chisel to till the soil before planting and ridge till in which the the seeds are planted on a seed beds. This type of tillage conserve the soil by reducing erosion.
Erosion bring about removal of soil tip layer, washing away of nutrients which is important for plants growth. Through conservation tillage soil structure and nutrients are preserved and sustained.