Answer: The answers seem correct.
1. Active transport - the process in which energy is used to move the particles of a substance against a concentration gradient from a region where they are in lower concentration to a region whey are in higher concentration.
2. The answer chosen for #2 makes sense because energy is usually needed when you putting effort into doing an activity that includes some type of force. That means ions are using energy to be moved against the concentration gradient.
3. Volume makes sense for the last question since the cells are using a space (volume) to move material in and out by diffusion. The other options besides volume are unreasonable.
Explanation:
Having filtered out small essential molecules from the blood - the kidneys must reabsorb the molecules which are needed, while allowing those molecules which are not needed to pass out in the urine. Therefore, the kidneys selectively reabsorb only those molecules which the body needs back in the bloodstream.
Answer: A pictograph is a symbol for a word or phrase.
i hope this helps you :D
Answer:
Great White Shark
Explanation:
The great white shark is top of the food chain. The fungus is the bottom of the food chain with the decomposers. The redwood tree is the Primary consumer sense it gets its needs from the sun and the nutrients from the ground. Lastly, the frog is the fourth of the food chain with the Carnivores, secondary consumers.
