What is an animal?
A hippopotamus has a backbone, how are this type of animals called?
The levels of organization of animals structure are: Cell > ____ > ____ > ____ > Body
Cell > Tissue > Organ > Organ System > Body
Invertebrate with a soft, unsegmented body often protected by a hard shell
Mollusk
It is a hard outer covering. It may be shed as the animal grows.
Exoskeleton
An animal’s reaction to a stimulus.
Response
Give 3 examples of animals that are invertebrates
Sea stars, Octopus, Grasshoppers, Spiders, Sponges, Butterflies, Ants, ETC.
Describe how you know that an animal has NO symmetry
They are simple animals, only have specialized cells, you can't cut them in identical parts
This invertebrate has an internal skeleton and fluid-filled tubes.
Echinoderm
Process where an arthropod sheds its exoskeleton to grow a new one.
Molting
The odor of baking bread is an example of: an stimulus or a sense?
A sense, they include smells (odor), see, hear, taste, touch.
A giraffe's long neck, gills in fish, a bird's wings, are examples of characteristics that helps to survive better, what are they called?
Adaptations
Describe the characteristics of having RADIAL symmetry
Many lines can be drawn from a central point to the outside of the animal, all parts look the same.
Sponge: has no tissues or organs, asymmetrical
Cnidarians: has stinging cells and a central cavity, with radial symmetry
A place where two or more parts of a skeleton meet.
Joint
A nerve cell with a structure for receiving and passing on information.
Neuron
An animal keeping internal conditions is called?
Homeostasis
Only one line of symmetry can be drawn to divide the animal in half, usually from top to bottom, you get 2 same sides
A flexible rod that supports a chordate’s back is called a notochord, true or false?
True
Tissues that contract or relax to create movement.
Muscles
An electrical message that travels through the nervous system.
Impulse
Body structure, development, and DNA, help people to _______ animals
Classify animals
Classify the symmetry of these animals:
Sea urchin, Sponge, Beaver, Frog, Sea star, Ant
NS: Sponge
R: Sea urchin, Sea star
B: Beaver, Frog, Ant
In vertebrates, the nerve cord connects the brain to nerves in the rest of the body, true or false?
A tissue that is more flexible than bone. Found in sharks, the end part of your bones, your nose, your ears.
Cartilage
Part of a nervous system that receives information, interprets it, and controls the animal’s response.
Brain