Because it creates the same amount of tension for small animals as skin would. That is why some small animals can be on water without sinking. That is surface tension.
Answer:
Pteridophyta Characteristics
Pteridophytes are considered as the first plants to be evolved on land: ...
They are cryptogams, seedless and vascular: ...
They are cryptogams, seedless and vascular: ...
Spores develop in sporangia: ...
Sporangia are produced in groups on sporophylls: ...
Sex organs are multicellular: ...
They show true alternation of generations:
Answer:
hi!
Explanation:
The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.
Answer:
The protein you eat helps repair tissue and fight off viral or bacterial infection. Proteins make up the framework of your cells, including the cells of the immune system and just about every other.
Water or other molecules move down their concentration gradient without any energy.........
difference - simple diffusion uses help of transporting protein in the membrane whereas osmosis uses no help.
