A. Independent variable is the variable you change so the amount of BGH would change in each group
Central Nervous System<span> (CNS = spinal cord in the vertebral column ["backbone"] and brain in the skull)</span>
Answer:Osteoblasts work in teams to build bone.
Explanation:They produce new bone called "osteoid" which is made of bone collagen and other protein. ... They regulate passage of calcium into and out of the bone, and they respond to hormones by making special proteins that activate the osteoclasts. OSTEOCYTES are cells inside the bone.
A. because if any population decrease, any other specie will decrease like a chain reaction
Answer:
D) the frequency of rainfall needed for the germination of desert plant seeds
Explanation:
When we talk about abiotic factors, we refer to the non-living factors. The abiotic components of an ecosystem include: Water, air, temperature, light, and the like.
So if we consider it as a limiting factor to population size, this should be the cause of the limitation.
Among all the choices, only D, shows an abiotic factor being the cause of population limiting. Rainfall is an abiotic factor (water), which influences the germination of desert plant seeds, specifically, it depends on the frequency of rainfall.
