<span>The only traits that can be acted upon by natural selection are those that are controlled by ___________________</span>
Answer:
1: I believe there are 8 (not sure but it’s no more than 8)
2: Sparrow hawk
Why? The sparrow hawk is getting its energy later in the web meaning that most of the energy has been used by other organisms
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.