No. Tissues are multiple cell structures.
yes
no...bird's are not single celled
eukarya
No, beans are not single cell organisms. Beans have many millions of cells.
No, tissues and organs are made from cells
Two or more tissues
organs are made up of tissues, and tissues are made up of cells
No. Tissues are aggregations of multiple cells, which do not occur in single-celled organisms.
banana time
No, artificial limbs do not contain living tissues. They are typically made from materials like plastics, metals, and composites designed to mimic the function of a real limb.
Yes, the collenchyma tissues does contain the cells that possess protoplasm.
Keratin is a type of structural protein that provides strength to tissues like hair, nails, and the outer layer of skin. Tissues that are exposed to mechanical stress or environmental factors benefit from the protective properties of keratin, which is why it is present in these specific tissues. Other tissues may not require this level of protection, so they do not contain keratin.