Animals How many different types do you see here?
Gotcha! This spider needs to eat in order to survive. On the other hand, this bumblebee needs to avoid being eaten. It has to escape in order to survive. How do the spider, the bumblebee, and other animals get what they need in order to live?
Animals Sponges Sea Anemones Corals Kangaroo Humans Scientists have divided all animal species into about 35 phyla and classes
Vertebrates And Vertebrates include fishes, amphibians, reptiles, birds, and mammals. Less than 5% of all animal species. Skull Backbone
Invertebrates Most animal species do not have a backbone!
¼ of all animals are beetles!
Sponges do not look like animals! As a matter of fact, we classified them as plants up to 200 years ago. Don’t look like Aren’t confused with So why do we say all these things are animals?
Animals are all eukaryotic (have a nucleus) multicellular organisms.
Animals usually reproduce sexually. Egg and sperm unite and form a new individual
A few animals reproduce asexually
The fertilized egg cell divides into many different cells to form an embryo.
Animals have specialized parts. When the fertilized egg divides the cells specialize. Skin Muscle Nerve Bone
These cells arrange into tissues.
Most animals also have organs, which is a combination of 2 or more tissues. Heart Lung
All animals, including the shark shown, have different organs to do different jobs!
Animals move Insects fly Cheetahs run Whales swim Spiders can jumpSnakes slither
Some animals do not move much at all. Sea Anemone Clams Sea Star
Animals are consumers. Predator and Prey
What lies on the forest floor, 100 feet in the air?? A dead Centipede! HaHaHaHa Give up?