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Презентация на тему Starfish

Starfish
Presentation student 9-A class Alyona Bondar Starfish Starfish - interesting and mysterious animal. Starfish - a veteran of the seabed, it appeared over 450 million years ago. It belongs to a class of echinoderms. From the outside it is covered with short needles or pins. Every ray of starfish, being separated from her body, it is viable and quickly regenerates. Sea stars are voracious predators, although there are exceptions in the Some starfish even able to dig up prey that is hiding in the sand. Life starfish can reach 30 years. At present there are about 1,600 species of sea stars.
Слайды презентации

Слайд 2 Starfish

Starfish

Слайд 3
Starfish - interesting and mysterious animal.

Starfish - interesting and mysterious animal.

Слайд 4
Starfish - a veteran of the seabed,

Starfish - a veteran of the seabed, it appeared over 450 million years ago.

it appeared over 450 million years ago.


Слайд 5
It belongs to a class of echinoderms.

It belongs to a class of echinoderms.

Слайд 6
From the outside it is covered with

From the outside it is covered with short needles or pins.

short needles or pins.


Слайд 7
Every ray of starfish, being separated from

Every ray of starfish, being separated from her body, it is viable and quickly regenerates.

her body, it is viable and quickly regenerates.


Слайд 8
Sea stars are voracious predators, although there

Sea stars are voracious predators, although there are exceptions in

are exceptions in the form of herbivorous species feed

on algae.

Слайд 9
Some starfish even able to dig up

Some starfish even able to dig up prey that is hiding in the sand.

prey that is hiding in the sand.


Слайд 10 Life starfish can reach 30 years.

Life starfish can reach 30 years.

Слайд 11
At present there are about 1,600 species

At present there are about 1,600 species of sea stars.

of sea stars.


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