A is 100% right. Maybe B also could be right but not sure about it cos it should be genes
Answer:
As organisms develop, it’s cells take on different forms by expressing different combinations of it’s genes.
Explanation:
Increases the amount of variation in the offspring. the variation could eventually become so great that the two become different species
Answer:
The answer is given below:
Explanation:
A food chain consists of producers and different consumers. Producers are the organisms which produces food using sun energy. Consumes directly eats plants or eat other animals to fulfill their energy needs. So, in any ecosystem energy flows through food chain in unidirectionl manner.
Sun is the ultimate source of energy. The producers uses solar energy to make chemical energy (glucose) through photosyntheis. The cosumers use this chemical enegy through food by eating plants. Some animals eat other animals to get energy. The chemical energy stored as ATP (an energy currency).
Answer:
A. Domain, kingdom, phylum only
Explanation:
The domain is Bacteria, Archaea, and Eukarya which every living thing falls under, the kingdom is every animal (now that's excluding plants and bacteria), and the phylum is a primary category in biological taxonomy especially of animals that ranks above the class and below the kingdom.