Animals
Structures or behaviors that allow animals to perform basic functions in their environments are called
What are adaptations?
The process by which a single organism produces a new organism identical to itself, such as budding
What is asexual reproduction?
A sponge feeds through tiny pores throughout its body which is why they are considered
What are filter feeders?
The process where molecules will move from greater concentration to lesser concentration.
What is diffusion?
In this type of system, blood moves through earthworms
What is a closed-circulatory system?
The cells of most animals are organized into higher levels of structure, including cells, __________, organs, and organ systems.
What is tissue?
An animal with a backbone
What is a vertebrate?
Cnidarians eliminate waste through
What is their mouth?
The process of diffusion allows cnidarians to move this molecule from the water into its body.
What is oxygen?
Why must earthworms stay moist?
Earthworms obtain oxygen through moisture on their skin
A group of several different tissues
What is an organ
An object with this has one line that divides it into halves that are mirror images
What is Bilateral Symmetry?
An invertebrate animal with stinging cells, that receives food through a central body cavity
What is a cnidarian?
At which end is the head found on a segmented worm?
What is anterior?
The tail end of a segmented worm is called the
What is posterior end?
Obtaining food and oxygen, keeping internal conditions stable, moving and reproducing
What are the functions of animals?
An animal that has this lives in water and has many lines that divide it
What is radial symmetry?
A vase-shaped body of cnidarian
What is a polyp?
Sponges are aquatic invertebrates that are symmetrical or asymmetrical?
What is asymmetrical?
Worms are the simplest organism with this type of nerve tissue?
What is a brain?
One of 35 major animal groups
What is a phylum?
Animals with this kind of symmetry do not have distinct front or back ends
What is radial symmetry?
A cnidarian with a bowl-shaped body
What is a medusa?
Cnidarians use nematocysts in their tentacles to
What is sting their prey?
Earthworms cannot reproduce by breaking into pieces, but they can grow a new
What is a tail?