Answer:
B
Explanation:
All living beings are in fact descendants of a unique ancestor commonly referred to as the last universal common ancestor (LUCA) of all life on Earth, according to modern evolutionary biology. Common descent is an effect of speciation, in which multiple species derive from a single ancestral population.
Answer:
The taiga is warmer and wetter than the tundra.
Explanation:
The taiga is a wet biome with plenty of available moisture; in some places the climate is boggy. In contrast, the tundra is close to being a desert; the soil stays frozen and dry.
Answer:
b) Produce and store large numbers of white blood cells
Explanation:
The lymphatic system's primary role is to produce white blood cells. The main organs were these cells are produced are the bone marrow, the thymus, the spleen, and the lymph nodes, which are distributed in different parts of the body, such as our neck, armpits and near the groin. these organs produce and store white blood cells, that will circulate in the blood or will be in action when the blood is filtered in the spleen or lymphatic nodes.
Answer:
contains vitamin A
Explanation:
its essential for improving eyesight
Answer:
Providing a controlled source of water vapour through which water can be vaporized into the plant envoirment.
Explanation:
Humidity ratio is the ratio of the mass of water in air to the mass of dry air. Humidity is needed in some conditions where the air is very dry. In a very dry air setting, there can be excess moisture loss from the plant surface, increasing the Humidity ratio can counter this effects and reduce excess moisture loss.
