First blank: The mobility of their hosts same goes for the second one :)
Answer: i would say the independent variable is the soil and the control variable is the seed because it stays the same in all of them to better understand the experiment while the dependent variable is the fertilizer.
Explanation: i am not completely sure but maybe someone else can also answer to verify it first
Answer:the villi of the intestine
Explanation:like the cristae of the mitochondria which increase the surface area for the production of ATP,the villi of the intestine acts similarly.
In animals, digested food pass from the stomach to the intestine. In the intestine , enzymes acts on the food. Absorption of food takes place there and there are some structures that facilitates it. The walls of the intestine have numerous foldings , alongside the presence of finger like projection called villi. Microvilli are also presence from the cell walls of the intestine . These projections increase the surface area for the absorbing of food .they brush against food in the intestine and promotes absorption of nutrients.
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- To keep our oxygenated blood and our deoxygenated blood separate.
Having 4 chambers allows these 2 types of blood to reach their appropriate destination without getting mixed up.
Have A Nice Day ❤
Stay Brainly! ヅ
- Ally ✧
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There is too much ice there
