Guidelines

Does a starfish feel pain?

Does a starfish feel pain?

Katie Campbell: Starfish lack a centralized brain, but they do have a complex nervous system and they can feel pain.

Is lobster immortal?

Contrary to popular belief, lobsters are not immortal. Lobsters grow by moulting which requires a lot of energy, and the larger the shell the more energy is required. Eventually, the lobster will die from exhaustion during a moult.

How old is the oldest starfish?

480 million years old
The starfish fossil was uncovered in Morocco. It is reported to be 480 million years old and is key to understanding the relationship between today’s crinoids and their long-gone ancestors. The newly discovered fossil is now being recognised as the oldest known starfish on the planet.

Are lobsters immortal animals?

Ever-growing lobsters There is a debate among the scientific community whether these red ocean dwellers are biologically immortal animals; a common cause of death is disease, not old age, and grow and reproduce until they die—though not with the same mate, unlike these lifelong monogamous animals.

READ ALSO:   How do you find the adverb of degree in a sentence?

Are ocean animals biologically immortal?

There is a debate among the scientific community whether these red ocean dwellers are biologically immortal animals; a common cause of death is disease, not old age, and grow and reproduce until they die—though not with the same mate, unlike these lifelong monogamous animals.

What are the characteristics of a starfish?

The aboral or upper surface may be smooth, granular or spiny, and is covered with overlapping plates. Many species are brightly coloured in various shades of red or orange, while others are blue, grey or brown. Starfish have tube feet operated by a hydraulic system and a mouth at the centre of the oral or lower surface.

Do starfish reproduce sexually or asexually?

Some species of starfish are able to reproduce asexually as adults either by fission of their central discs or by autotomy of one or more of their arms. Which of these processes occurs depends on the genus.