Answer:
Explanation:
A plastid is an organel that is found in the cells of plants, algae, and some other eukaryotic organisms. There are three kind of plastids; chloroplast, chromoplast, and leucoplast.
Plastids contain pigments which is used in photosynthesis and the colour pigments that determine the colour of plant.
Vertebrates do not have an exoskeleton they have backbones
Answer:
Read explanation.
Explanation:
Like plants, animals also need food for their bodies. But they can't produce their own food. They have to depend on others for food purposes. After eating anything, that don' t go their cells directly. It passes many stages; then, they go the cell as a fuel. From eating to consuming by the cell, many digestive processes happen, such as the degradation of larger molecules to small molecules. Many chemical reactions also occur to covert elements to that form, which can be taken by cells as fuel as the reaction in mitochondria.
This way, men and animals get food as their fuel.
I would say D because mechanical weathering is the breaking up of rocks by physical forces
Answer:
-"Cell - some cells are meant to do a certain job then destroy self
-Digestion of surplus cells by their own lysosomal enzymes
Explanation:
