Covalent bond? Carbon is usually the structure for a polymer Bc it can make up so many things including covalent bonds used to make polymers
Only plants have chloroplast and a cell wall
I’m not sure but I’m guessing the answer would be the first one !
The process in which the environment<span> selects </span>organisms<span> that will survive is called natural selection. It starts with overproduction; when an </span>organism<span> produces more offpsrings than can survive. The second is variation. Because there are so many offsprings, there will be variations.</span>
Answer:
Organs are structures made up of two or more tissues organized to carry out a particular function, and groups of organs with related functions make up the different organ systems.
Explanation:
hope it helps
