The organisms in a pond and the physical factors influencing them best describes an ecosystem.
Answer:
The box has blocked the sunlight from the waterweed and it has stopped photosynthesising
Explanation:
Answer:
A. A segment of DNA molecule
Explanation:
(a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.
