The role within the ecosystem that an organism has is called its

The renin-angiotensin-aldosterone system is a negative feedback system that plays a central role in blood pressure regulation. How does the end result of this feedback loop regulate blood pressure in the body?

Which trait is solely dependen on it environment? A dogs tendencyto bark, ability to type accurately, eye color, height

Which of the following statements is accurate about evolution? Evolution means that a population undergoes changes in its gene frequencies over time. Evolution means that a population never has changes in its genetic frequencies.

A group of hikers wants to visit a biome that is between the polar and tropical regions. which biome should they visit? desert tundra temperate deciduous forest rainforest coniferous forest

What's the main difference between prokaryotic cell and eukaryotic cell

Scientists have debated the evolution of three life forms: reptiles, birds and dinosaurs. After many years of reviewing fossil records scientists proposed the evolutionary relationship seen above in the cladogram.

The PNS is divided into several subsystems. What two subsystems form the first major division of the PNS? sensory and motor somatic and autonomic parasympathetic and sympathetic CNS and brain

Consider the model of the food chain. Imagine there is a herbicide poison spill and all the grass is killed. How will this influence the food chain model? A) The grasshoppers will die out. B) All of the consumers will decrease.

A mutation in a dna strand is least likely to affect the cell when the mutation:

What macromolecule has the function of providing structure and catalyzing reactions (as enzymes) ?