Answer:
the part which allows the pollen is the stigma
Answer:
It's found in the thylakoid membrane
Answer:
<em>The correct option is B) Darwin</em>
Explanation:
Darwin was the scientists who studied similarities between species all around the globe and believed that all the species came from a common ancestor. Hence, Darwin was the scientist who proposed the idea of studying humans as groups rather than as individuals.
Other options, like option C, are false because Lamarck believed in the theory that organisms acquired traits from the environment as they grew and they could pass these traits to their children. Hence, these studies did not involve the grouping of individuals.
Oxygen is the answer for this question.
Answer:
The leukocytes are the main defenses of our body.
Explanation:
From the mother cell it will be a differentiation, from the mother cell to be a mother cell hematopoietic, this will turn into a lymphatic mother cell until it will be 3 different kinds of lymphocytes, the B, T and NK.
Lymphocyte B is the responsible for the inmune system based in antibodies and antigens, due to specific proteins.
Lymphocytes T, are the ones that come from the mother cell of the bone marrow. They are the responsible for the immunity against some illness like cancer.
Lymphocytes NK (natural killer) are the responsible for killing bad cells (like cancer cells) because they "eat" them in a phagocytosis process.
