Answer:
A
Explanation:
Hypothesis Is an educated guess. So, your educated guess is that if you water the plant, the plant will grow taller.
Answer:
The relationship between environment, variation and selection lay the foundation for natural selection and evolution.
Genetic variations are present among species due to number of reasons like recombination or crossing over during meiosis, mutations, random fertilization etc. These factors bring changes among the members of a species. Some of the species become better adapted to survive in a particular environment whereas some are not better adapted and become extinct over a period of time. The environment selects the organisms that are best adapted to survive and hence lead to variations.
Answer:
Over time, the bacteria that survives multiplies, causing even more harm.
Explanation:
Hi, woody plants are primarily composed of xylem cells with cell walls made of cellulose and lignin .