Answer:phytoplanktons are photosynthestic organism. They have the ability to produce their own food.
Explanation: Because of there small size they could absorb nutrients in the water even at lower concentration and convert it to energy need for there growth.
Its is said that phytoplanktons are one of the largest producer of oxygen gas.
B.
I'm pretty sure because, chemicals and pesticides can easily make insects more immune. So therefore the average pesticides will no longer work on them but also some may not be affected by the solutions.
Maintaining a healthy lifestyle through diet and exercise is important because the world is rapidly advancing and this rapidness has brought many health concerns. Today's lifestyle is extremely stressful for any age group and without proper diet and exercise, one cannot cope up with his/her daily routine.
<h3>Benefits of Diet and Exercise:</h3>
- It helps in dietary nourishment and proper intake of nutrients.
- Exercising keeps a check on calorie intake.
- Proper supplements with exercise helps in muscle development and removal of bad body fat.
- A person with a good diet and regular exercise can attain good physical and mental well-being.
To learn more about maintaining a healthy lifestyle through diet and exercise, refer:
brainly.com/question/25814640
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<h2>Competitive exclusion principle.</h2>
Explanation:
The fundamental and realized niches of B. balanoides are identical, but the fundamental and realized niches of C. stellatus are different.
All the possible combination of resources and condition under which a species can grow, survive and reproduce is called its fundamental niche. Whereas, the more limited set of resources and condition under which a species can grow, survive and reproduce in the presence of competitors and predators is termed as its realized niche.
Competitive exclusion principle states that if two competing species coexist in a stable, homogeneous environment, then they do so as a result of differentiation in their realized niche.
<em>B. balanoides</em> can use a wider range of resources than<em> C. stellatus </em>because its fundamental and realized niches are identical . Hence thrives to exclude C.stellatus.
I am not sure if its going to be right or wrong but I would pick either C or A
