Cells, Tissues, Organs, System
What are the four levels of organization?
Process by which a new organism develops from the joining of a egg and a sperm cell which will have genes from both parents
Body Structure, Way animal develops, Its DNA
What are three ways an animal is classified?
Chemical in cells that controls an organisms inherted characteristics.
3% of animals have a backbone and are called ______.
97% of animals do not have a backbone and are called ________.
obtaining food/oxygen, stable conditions, movement, reproduction
List four major functions of animals
A group of several different tissues are called
Biologists classify animals into major groups called
the joining of an egg and sperm
The basic unit of structure and function in living things
Structures or behaviors that allow animals to perform the basic functions in their environment is called
The process by which a single organism produces a new organism identical to itself
Type of symmetry of a sea urchin and sea star
Type of symmetry of a sponge
Type of symmetry of a beaver, ant and frog
Type of symmetry where an organism has a head and tail
All animals with ___________ symmetry live in water.
Animals with many lines of symmetry have ______ symmetry because body parts are arranged in a circle.
Animals with one line of symmetry have _________ symmetry
carries sperm and eggs and oxygen
What are three functions of water to sponges?
Sponges have _____________ for defense.
sexual and asexually by budding
What are two ways sponges reproduce?
Body form of a jelly fish is a
Body form of a sea anemone is called a
sexually and asexually by budding
These are formed by polyp cnidarians secreting a hard skeleton that builds up over years allowing other cnidarians to attach themselves and continue building up the hard structure.
Type of worms that have a digestive cavity with a feeding tube
What type of worms have cylindrical bodies?
earthworms, leeches and sea floor worms
Name the 3 examples of segmented worms
A type of worm made of many linked sections called segments
What type of worm has a closed circulatory system?
What type of worm needs an environment that's moist or damp?
segmented, flatworms,and roundworms
What are the 3 major types of worms?
What cells in the sponge filter food from water?
jelly like cells
What type of sponge cells digest food?
What is the process when sponges grow from the sides of an adult sponge or break free?
What is an immature form of an animal that look different from the adult?
What has stinging cells and take food into central body cavity?
What has a vase shaped body and and attach to sea water surfaces? ex. sea anemone
What has a bowl shaped body,and mouth opens downward and tentacles are downward?
What is movement of a cnidarian directed by?
vertebrates and invertebrates
What is the coral reef home to? (made by cnidarians)
jellyfish, sea anemone, corals
What are three examples of cnidarians?
These animals have stinging cells on tentacles that shoot out barbs which sticks to a prey. They use their tentacles to pull the prey into its mouth to digest it in the digestive cavity.
sexual and asexual by regeneration
Types of reproduction of worms...
Simplest animal with a brain...
tapeworms and flukes
Two flatworms that are parasitic
Flatworm that is free living
Planarians have how many openings in their digestive system?
Earthworms are what type of worms?
Which types of worms have a closed circulatory system?
Organism that feeds on dead or decaying material.
Opening through which wastes exit in a one way digestive system like round worms
Organism that gets its food from living in or on another organism
Organism that does not live in or on other organisms
Organism in or on which another organism lives and gets its food from
The most abundant animal on earth is the
Cnidarians expel their undigested food out of their ________.
A group of many individual animals living together.
The balanced arrangement of an animal's body is called _________.
Made of many cells and feed on other animals
What are two characteristics of all animals?
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