A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Answer: Some algal (algae) species can act both as "plants" and as "animals" at the same time. As “plants” the algae produce their own food and as “animals” they can eat other plants or even their own grazers.
Answer: This may be wrong but I think it is 1 is c 2 is e 3 is d 4 is a and 5 is b
Explanation:
They can all travel through empty space
The narrative that a physiological need<span>, </span>such as hunger<span> or thirst, </span>creates an aroused tension state<span> (a </span>drive<span>) that motivates an organism to satisfy the </span>need<span>. An unpleasant </span>physiological tension<span>, </span>such<span> as thirst or </span>hunger<span>, that leads to behavior to </span>reduce<span> the </span>tension<span>.</span>
