Answer:
90% of energy is lost as heat at each trophic level. Therefore, only 10% passes to the next level.
Explanation:
Diffusion is the movement of particles across a semi-permeable membrane from a lower concentration to a higher concentration
Answer:
y chromosome
Explanation:
only the father passes on the y chromosome and only the fathers are colorblind
Answer:
Parathyroid glands.
Explanation:
The parathyroid glands are small endocrine glands that are located behind the thyroid gland in the neck. Its primary function is to secrete a parathyroid hormone (PTH), responsible for controlling and maintaining the balance of calcium and phosphorus in the blood within certain limits. This helps to achieve proper functioning of the muscles and nerves, and also helps maintain strong bones.
Answer:
Mechanical weathering breaks rocks into smaller pieces without changing their composition. Ice wedging and abrasion are two important processes of mechanical weathering. Chemical weathering breaks down rocks by forming new minerals that are stable at the Earth's surface.
