Algae are photosynthetic, but they are also unicellular organisms (Euglena) and shares some of the common features with plants as well as animals. They move like animals and perform photosynthesis like plants. Therefore, they are classified into Protists, and not the Algae. Their most features resemble the non-photosynthetic protozoa, and not plants, and therefore, are put into the Protista.
They also lack a cell wall, which is a feature of plants.
Some scientists advocate their classification in plants because of their sexual mode of reproductiona, and formation of spores.
<h2>Answer is option "D"</h2>
Explanation:
- Barbell curls and dips both are arm exercise to decrease the weight of arm and muscles
- This is perform by the flexing of both elbows and keeping your shoulder bone withdrew
- Do not allow heavy weight from lower back to arch and push up to about chest level
- Keep the spine in zero potential position
- Determine the width of grip and your elbow to ought the potential position of exercise
- Hence the right answer is option D "they are both arm exercise"
If the type of food available changes, then the types of bird's beaks will change with it, because their bodies are adapting to suit their environmental needs more efficiently.
