... Animal Life Cycles ...

                                     1) Life Ciclyes

1.- Complete the sentence 

   1.- Animals that have no backbone are invertebrates.

   2.- Most invertebrates are very small.

   3.- The biggest group of invertebrates is the arthropods.

   4.- 95% of the animal species in the world are invertebrates.

   5.- Animals that have a backbone are vertebrates.

2.- Complete the chart

   Invertebrates: arthropods, sponge, echinoderms, snail, threadworm, flatworms

   Vertebrates: mammals, reptiles, frog

3.- Match:

   1.- Animals that eat plants and animals--> Omnivores

   2.- When sperm joins with an egg--> Fertilization

   3.- Animals that have a backbone--> Vertebrates

   4.- Animals that produce sperm--> Males

   5.- Animals that eat plants--> Herbivores

   6.- An important group of invertebrates--> Arthropods

   7.- An important group of vertebrates--> Reptiles

   8.- Animals that eat other animals--> Carnivores

   9.- Animals that produce eggs--> Females

   10.- Animals that have no backbone--> Invertebrates

4.- Answer the questions:

   1.- How do scientist put animals into groups? 

      When animals are the same many ways.

    2.- Why are people dangerous for animals? 

      Are dangerous because when they hunt birds and other animals, cut down trees and build houses and roads on land, the animals lose their food and homes.

   3.- How long can a Galapagos tortoise live for?

      Galapagos tortoise can live for 150 years.

   4.- How long does a mayfly usually live for?

      Mayfly usually lives for just a few hours.

   5.- Do birds and reptiles give birth to baby animals?

      Birds and reptiles don't give birth to their babies, they lay eggs.

   6.- How do mammals care for their babies?

      All mammals care for their babies and feed them with milk. Some big mammals stay with their babies for many years.

                                     2) Birds

 

1.- Write √ or X. Then write sentences.

   1.- Birds have feathers √

   2.- Birds lay eggs √

   3.- Birds have wings √

   4.- Birds build nests √

   5.- Birds dont' feed their babies milk X

   6.- Birds have no fur or hair X

2.- Answer the questions:

   1.- What is courtship?

      Courtship is when male birds try to find female birds that they can mate with.

   2.- Why do birds that build nests?

      Birds build nests because are special homes where they can keep their eggs and chicks safe and warm

   3.- What color are birds that build their nests on the ground?

      Usually this kind of birds are brown and speckled, so they are well camouflaged 

      

   4.- Why do some birds have to make difficult journeys when they are very young?

      Some birds have tomake difficult journeys when they are very young because many birds migrate every year to warmer places for winter and come back to their breeding places for summer

3.- Match. What does he do when he's looking for a mate?

   1.- Frigate Bird: He pushes his red throat out.

   2.- Blue-Footed Booby:  Shows his big feet.

   3.- Songbird: He sings.

   4.- Bower Bird:  He builds a special place with bright colored things inside.

4.- Find and write the words:

   1.- Three things that birds use to make nests: grass, mud and twigs.

   2.- Three places where birds build nests: trees, cliffs and ground.

   3.- Four things that chicks learn from their parents: fly, sing, feed and keep safe.

5.- Order the words.

   1.- Birds keep warm their eggs.

   2.- Ostriches lay the biggest eggs.

   3.- Chicks have a special tooth on their beak.

   4.- Cuckoos lay their eggs in other bird's nests.

                                     3) Mammals

1.- Find and write the mammals. Then write the numbers.

   1.- Polar Bear: lt digs a den in the snow so its babies will be warm

   2.- Anteater: It carries its babies on its back for the first year.

   3.- Giraffe: it fights with its neck with other males when it's ready to mate.

   4.- Person: You are one!

   5.- Leopard: It makes marks on trees when it's lookinf for a mate.

   6.- Kangaroo: It grows in it's mother's pouch for up to a year after it is born.

   7.- Shrews: Its gestation is only two weeks.

   8.- Elephant: It stays close to its mother until it's ten years old.

2.- Circle the correct words.
   1.- The gestation time for shrews is 2 weeks.

   2.- Baby kangaroos are only 5 centimeters long when thay are born.

   3.- When mammals breed, the females usually choose a mate.

   4.- All mammals produce milk to feed their babies.

   5.- Mammals have fur or hair.

3.- Complete the sentences:

   1.- When babies grow inside the mother's body. It's called gestation.

   2.- Inside the mother's body, baby mammals get food and oxygen from the placenta.

   3.- Koalas and Kangaroos are Marsupials.
   4.- The places where animals live are called habitats.

4.- Complete the chart with the animals of the book:
   1.- Insects: butterfly, beetle
   2.- Other invertebrates: earthworm, spider
   3.- Mammals: elephant, gorilla
   4.- Birds: ostrich, blue-footed booby
   5.-Fish: salmon, sticklebacks
   6.-Amphibians: salamander, frog
   7-Reptiles: leaf-tailed gecko, chameleons, whiptail lizards, python