Answer:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.
Answer:
We may consider bees good because they pollinate the plants that give us food crops. We may consider mosquitos bad because they can transmit malaria.
Answer: Metamorphic rocks are formed from other rocks that are changed because of heat or pressure. They are not made from molten rock. rocks that do melt form igneous rocks instead. Earth movements can cause rocks to be deeply buried or squeezed. As a result, the rocks are heated and put under great pressure.
Explanation:
Red platelets are too vast to leave any capillaries. As capillaries are just a single cell thick and have thin porous dividers this implies substances can diffuse out of them effortlessly. Helpful substances, for example, oxygen and sustenance diffuse out of the blood in the vessels into the tissue liquid where it is then taken to the cells.
Answer:
Anther contain saclike structure called microsporangia that have micrspores mother cells that develop in to male gametophyte
Explanation:
Sporangia cosist of microspores mother cells and megaspores mother cells in land plant that develops in to male and female gametophyte respectivelly. Then latter on the male gametophyte gie rise to male gametes and female gmetophyte give rise to female gametes and after fusion of the gametes an other gametophyte is arise which give rise to sporophyte and thr sporophyte give rise to gametophtye which is called alternation of generation.
