True. Halophytes can be found anywhere with a concentration of five times greater than the salt concentration of the ocean.
A. once defined, an ecosystem is a unit scientists can analyze.
A sailboat that is propelled by an outboard is considered A POWER DRIVEN MOTOR BOAT. Motor boats are powered by engines. Motor boat varies in size and types and these determine the types of equipment they are required by law to carry. Many motor boats are less than twenty six feet in length, therefore they come under class one.
Answer:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.