Oncogenes are the abnormal cells that divide and create another abnormal cells. When abnormal cell division occurs, tumor may be developed. <span>When a tumor is considered cancerous, it is called. malignant. Benignant on the other hand is the tumor that it's not dangerous and not cancerous.</span>
Answer;
-Zygote
When sperm and ovum unite at conception, a zygote results.
Explanation;
-Conception occurs when a sperm cell from a fertile man swims up through the vagina and into the uterus of a woman and joins with the woman's egg cell (ovum) as it travels down one of the Fallopian tubes from the ovary to the uterus.
-A zygote is the union of the sperm cell and the ovum. Also known as a fertilized ovum, the zygote begins as a single cell but divides rapidly in the days following fertilization. After this two-week period of cell division, the zygote eventually becomes an embryo.
Answer:
I am not sure but I think it is ribosomes.
Answer:
The answer is leaf . Leaf is exposed to sunlight and thus it can store light energy
The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.