The answer is B. Grassland
Answer:
See explanation below.
Explanation:
Starfish, also known as sea stars, are marine organisms that belong to the Class Asteroidea. They are considered invertebrates because they lack a vertebral column. Moreover, most starfish species have five arms but some species can have up to 15!
Here are some characteristics that differentiate starfish from other organisms and make them so unique:
- Possession of tube feet.
- Most species have pedicellaria, claw-shaped structures with movable jaws.
- Radial symmetry
- They can possess from 5 to 15 arms.
- Do not possess brain.
- They can regenerate parts of their body.
Answer:
The correct answer is There is one factor salt(restricted, unrestricted).
Explanation:
Vegetarian diet and low salt diet are both promising in the treatment of hypertension or high blood pressure.
In the given question there is only factor that is variable that is restricted salt and unrestricted salt .
This is because both normal diet and vegetarian diet are same that"s the term diet is not variable.
Answer:
Since there are fewer individuals there is less genetic variation meaning that one disease/disaster and wipe out the whole population
Explanation:
Cephalochordata is the subphylum that retains all chordate characteristics, even in the adult forms.
Hope this helps!
Have a great day :)
