C, a capillary is one cell thick
Answer:
A. lack of available healthcare
Explanation:
developing countries struggle to find proper health care as they usually have a low HDI (human development index)
Pollen cells are plant male gametes. On the other hand, algae cells autotrophic protists.
- Pollen cells and algae cells have DIFFERENT FUNCTION and DIFFERENT SHAPE.
- Algae are autotrophic microorganisms that synthesize their own food
- Algae belong to the Protista kingdom. These microorganisms can be unicellular or multicellular.
- Algae cells have many different forms.
- Pollen cells represent plant male gametes.
- During fertilization, pollen cells fuse with the egg cell to form a zygote.
- Pollen cells have many different forms (generally spherical).
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Algae are called autotrophs because they can create their own food using only carbon dioxide.