The exchange of oxygen, food, and waste between mother and fetus occur in the placenta.
Answer:
95k / 25mn = 3.8m/s
Explanation:
I did this this morning...but i'm not sure whether it's right or wrong.
Answer: (c) can undergo self-renewing divisions for the lifetime of a healthy animal.
Explanation:
The adult hematopoietic tissue or adult hematopoietic stem cells can be found in bone marrow of the animal. These cells have the ability to regenerate and renew so that the production of red blood cells remains continuous till death. Hematopoiesis can be defined as the production of cellular components of blood. The adult hematopoietic stem cells are located in the flat bones and ends of the long bones.
Answer:
The desired graph of the Antarctic food web is attached:
Explanation:
A food web shows the taking care of connections between the life forms in a specific biological system, fundamentally what eats what. It shows how vitality courses through the biological system. Creatures can be separated into producers, different level of consumers, and decomposers inside a food web:
producers in the Antarctic marine biological system are: ocean ice green growth, phytoplankton, macroalgae, microalgae
primary, second-level, third level, fourth level, and fifth-degree of consumers are straightforwardly or by implication rely upon producers as they structure a significant food hotspot for creatures that feed by grazing. Models incorporate snails, imps, and corals. These consumers thusly will be eaten by different creatures, for example, ocean stars. At the head of the food web, there are bigger consumers, for example, fish, penguins, and seals. energy moves from producers to the consumers and there is a large part of the energy loss during the process only 10% of energy gets to the subsequent trophic level.