produced by chloroplast
Answer:
A. In a stable ecosystem, life forms have enough food for energy and they are not wasting that energy trying to adapt t their environment. This gives them added opportunities to grow and reproduce. A stable ecosystem can extend its boundaries and interact with an adjoining ecosystem which could benefit both ecosystems.
Explanation:
B. hydrological cycle
C. condensation cycle
D. hydrogen cycle
Answer: it's B
I love this stuff.
Explanation:
Answer:
Bacteria and other living cells have some universal features that are, they are present in all the living cells.
These features include:
Plasma membrane: The lipid bilayer which separates the cell from the external environment. It is present in all the living organism.
Cytoplasm: It is a gel-like substance present within the plasma membrane of the cell (excluding nucleus). It contains and supports all the cell organelles and cell parts.
Ribosome: It is a vesicular structure made up of protein and ribosomal RNA. It is the main site of protein synthesis in all the cells. Prokaryotes generally contain 70S ribosomes and eukaryotes generally contain 80S ribosomes.
Genetic material: All the living organisms contains genetic material (usually DNA) either confined in the nucleus or floating freely in the cytoplasm.
Variable is the single factor tested in an experiment.
Variable is any factor or condition that can be tested, changed, or measured in an experiment. Scientific experiments have various kinds of variables. They include independent variables, dependent variables, constant variables and extraneous variables. The independent variable is the only factor that can be changed in a science experiment.