Answer: KIDNEY (URINARY/EXCRETORY SYSTEM) helps regulate water and electrolyte balance.
Kidney is an important organ of our urinary system that regulates chemical composition of blood, regulates water and electrolyte balance, etc in our body. Kidney is made up of nephron cells that filters water, reabsorbs amino acids, secrete and excrete urine outside the body.
Answer:
unicellular life first
Explanation:
it arose billions of years ago while multicellular life forms around at least 600 million years ago
Let's think of it like this. We have an energy crisis, but how can we solve it? There are three steps. First, we need to recognize that we HAVE a problem that needs to be fixed. Then, we need to determine what's causing the problem. Finally, we need to change how we act in order to solve the problem. Now, let's look at the options.
Is A correct, leaving our behavior unchanged? NO: if we know the cause of the problem, we still need to solve it! What about B: the problems are ignored? NO: you can't solve a problem unless you know it's a problem. C? NO: to solve a problem, you need to find out what's causing it. Finally, let's look at D: behavior is changed after cause is identified. This is correct: not only do we know why it's happening, but we're fixing it!
Answer: D
Tree grass, bug's like ants wasp bees ,flowers,and weeds stuff like that
Answer:
commenalism
Explanation:
The salad is neither harmed, nor benefits from this
