Answer:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
21) to attract other cells that can remove dead cells
A. The plant will decrease their reliance on the suns energy
Answer:
phylum Echinodermata
Sand dollar. Sand dollar, any of the invertebrate marine animals of the order Clypeastroida (class Echinoidea, phylum Echinodermata) that has a flat, disk-shaped body. They are close relatives of sea urchins and heart urchins. The sand dollar is particularly well adapted for burrowing in sandy substrates.
Explanation:
Answer:
Cell --> Tissue --> Organ --> Organ system --> Whole Organism
Explanation:
Cell is the simplest, basic and functional unit of life.
Tissue is a collection of similar cells e.g brain tissue
Organ is a collection of similar tissues e.g Liver, Lungs
Organ system refers to a group of closely related organs performing the same function. E.g Digestive system with mouth, salivary gland, small and large intestine etc
Whole Organism refers to a complete living being with well-coordinated organ system. E.g Man
