Plants

I am studing plants and I would like to study with you this topic.
This is an link to learn the most important words.



http://e-learningforkids.org/Courses/EN/Plants/efk_shell.html

How do classified animals?

In this link you can find many information about animals:

Vertebrate and invertebrate

Here there is a very funny page to study my lesson and to learn about vertebate and invertebrate.

WOODPECKER

Where do they live?

Woodpeckers can be found in wooded areas and forest all over the world, except in Australia

What do they  eat?

Woodpeckers primarily eat insects, along with fruit, acorns and nuts.

How do they reproduce?

Male and female woodpeckers work together to excavate a cavity in a tree that is used as a nest and to incubate  4 eggs for about two weeks. When a woodpecker hatches, it is blind and does not have any feathers. One parent brings food to the nest while the other parent stays with the young. The young generally leave the nest after 25 - 30 days.

How do they  breathe?

They breathe throw lungs.

Amazing facts

Woodpeckers are known for tapping on tree trunks in order to find insects living in crevices in the bark and to excavate nest cavities. There are over 180 species of woodpeckers, all in the family Picidae.

Woodpeckers have bristle-like feathers over their nostrils help to keep wood particles from being inhaled.

The woodpecker's  beak is very strong and acts as both a chisel and a crowbar to remove bark and find hiding insects.

It has a very long tongue, up to four inches in some species - with a glue-like substance on the tip for catching insects.Woodpeckers have two sharply clawed toes pointing in each direction to help them grasp the sides of trees and balance while they hammer.

You can hear the sound of the woodpecker in this link

 http://www.allaboutbirds.org/guide/browse_tax/45/

The dolphins

The dolphins

 The dolphin is one of the most playful and intelligent animals on our planet.

Even though dolphins spend their lives in the water, they are not fish, but are mammals.

Dolphins can't breathe water like fish, but need to come to the surface to breath air.

How do dolphins live?

Dolphins are very social animals. Many dolphins travel in groups called pods. Some dolphins live in pods of 5-30 members for their entire lives.

How big do they get?

The largest dolphin is the Killer Whale which grows up to 6-9 metres long and can weight over 4 tons.

 Dolphins have long snouts that typically hold around 100 teeth.

They also have a blowhole on the top of their head that they use for breathing.
What do dolphins eat?

For the most part, dolphins eat other smaller fish, but they are not limited to just fish. They eat squid, too, and some dolphins, like Killer Whales, will often eat small sea mammals like seals and penguins.

 They don't chew their food, they swallow it whole. Dolphins get the water they need from the animals they eat, rather than drinking ocean water.

What do dolphins like to do?

Dolphins communicate through chirps and whistles. Not a lot is known about their communication. They like to jump and play and do acrobatic spins in the air. They have been known to surf waves near the beach or follow the wake of ships.

Dolphins are also very trainable as shown by the shows they put on at ocean parks like Sea World.

How well can dolphins see and hear?

Dolphins have excellent eyesight and hearing. Underwater they use echolocation. Echolocation is kind of like sonar where dolphins make a sound and then listen to the echo. Their hearing is so sensitive to these echoes that they can almost "see" objects in the water by hearing. This allows dolphins to locate food in cloudy or dark water.

How do dolphins sleep?

Dolphins have to sleep, so how do they do this without drowning? Dolphins let half of their brain sleep at a time. While one half sleeps the other half is enough awake to keep the dolphin from drowning. Dolphins may float at the surface while sleeping or swim slowly to the surface every now and then for a breath. 

How does a dolphin reproduce?

Dolphin reproduction start with the copulation of a couple of dolphins.

The copulation occurs belly to belly initiating the gestation.