Question

what are the differences between pollen and algae cells? select all that apply a pollen grains are hard tissue consisting of the protein collagen; algae consist of many cable - like bundles of axons b pollen cells are found in the walls of internal organs; algae are found in the walls of the heart c pollen cells have spikes; algae have tail - like projections d pollen cells help the body move; algae carry oxygen

Explanation:

Pollen is a male - gametophyte in plants and has a hard outer layer made of sporopollenin, not collagen. Algae are simple photosynthetic organisms and do not consist of axons (which are part of nerve cells in animals). Pollen is not found in the walls of internal organs, and algae are not found in the walls of the heart. Pollen cells do not help the body move (as they are part of plant reproduction), and algae are not responsible for carrying oxygen in the way described for red - blood cells. Pollen grains can have various shapes and may have spikes in some species, but this is not a general defining difference compared to algae which have a wide variety of forms but not specifically tail - like projections as a general characteristic.

Answer:

None of the above options are correct.