KA Risk


an organism that cannot make its own food and must obtain it from another organism


having no symmetry

radial symmetry

having a body arranged around a central point

bilateral symmetry

having a body that can be divided equally


animals that have a backbone


animals that dont have a backbone

external fertilization

occurs outside the body

internal fertilization

occurs inside the body


phylum that contains the simple animals of sponges


organism that has both male and female reproductive organs and produce both eggs and sperm


phylum that contains animals that are carnivores, live in water, and have radial symmetry


animals that eat other animals for food


specialized stinging cells in the tentacles pointing upward


a tiny, coiled stinger in the cnidocyte


the body form of a cnidarian that has tentacles pointing upward


the body form of a cnisarian that has tentacles hanging downward


animal phylum that contains flatworms, such as planarians and tapeworms


an organism that feeds on another living organism


animal phylum that contains roundworms, such as tapeworms,hookworms, and pinworms


animal phylum that contains segmented worms, such as leeches and earthworms


A phylum of animals called "mollusks", which have a soft body and a Moscular foot


A type of mollusk that May or May not have a shell and moves by gliding on a self-secreted smelling track: ex. Snails,slugs


mollusks that have two shells held together by hinges and strong muscles


Attached to a solid object


A type of mollusk that had a head,no body, and foot that is spread out into tentacle: ex. Octopuses, squids


A phylum if spiny-skinned animals that have an internal skeletal structure and that live in the ocean:es. Starfish,sea urchins

Tube feet

Tiny tubes that act as suction cups to allow some echinoderms to move and get food


The phylum of invertebrates that have jointed appendages and segmented bodies covered in an exoskeleton


A hard, protective covering in the outside of an invertebrate's body


A group of Arthropoda that usually live in water and have two antennae: ex. Lobsters,crayfish,shrimp,pull bugs


A group of Arthropoda that I? Clyde's spiders and scorpions


Long work like Arthropoda that move slowly with multiple sets of tiny feel; eat dead and decaying plant material


Long work like Arthropoda that are carnivores; able to move quickly


A group of Arthropods that gave bodied divided intothree parts and have three sets of legs; ex. House fly, grasshopper, butterfly


A process that all insects go through as they change and develop from an egg to an adult


phylum in the animal kingdom that includes animals with backbones


animals that cannot regulate their internal body temperature; body temperature depends on the environment


animals that can regulate their internal body temperature


any characteristic that allows an organism to better survive in its environment


the movement of an animal from one region or climate to another for a specific period of time

aggressive mimicry

a technique used by some animals to lure prey to them by mimicking something else


asleep during the day and awake at night


awake during the day and asleep at night


a resting state of some animals during cold weather when their entire metabolism, including digestion, respiration, and heart rate, slows down


a resting state similar to hibernation that some animals use in hot weather


an adaptation of some animals that helps them to hunt or to avoid predators by having a color that is the same as their environment

protective resemblance

an adaptation of some animals that causes them to look like something else in their environment


a type of protective resemblance that causes an animal to look like something that it's predators would rather avoid than eat


an adaptation that helps to protect an animals most vulnerable body parts from predators by having one body part look like a different body part

warning coloration

a protection adaptation used by some animals that uses color to warn other animals to keep away

What are the characteristics of all animals?

All animals are multicellular, eukaryotic, and heterotrophs. They do not have a cell wall and do not contain chlorophyll.

What kind of animals maintain a stable internal body temperature even when the external environmental temperature changes?


What kind of adaptation does a non-venomous king snake that has similar coloration as the very venomous coral snake?

protective resemblance/mimicry to avoid predators

What is the purpose of the adaptation of a porcupine that has sharp quills?

protection against predators

What must be present during external fertilization?


What type of reproduction has occured when part of a sponge breaks away and develops into a new sponge?


What is the purpose of animal movement?

get food, protect themselves, find a habitat, and and to reproduce

What kind of animal belongs to the group of cephalopods?

octopus, squid, and cuttlefish

What is a characteristic of an echinoderm?

starfish, sea urchins, brittle stars, sand dollar, and sea cucumbers

What organism can not reproduce by fragmentation?


What is not a characteristic of all arthropods?

stinging cells

What best describes animals that are mollusks?

soft body and muscular foot

What is an individual that can produce both sperm and eggs called?


Sexual reproduction can be divided into two different types based on what?

the location of fertilization

What organism does not belong to the phylum chordata?


What kind of behavior is it when a bat sleeps during the day and is hunting at night?


What type of adaptation does the coloration of a butterfly that is similar to the color of a dead leaf?

camouflage for protection

What kind of animal is an endotherm,lays eggs, and has fur?


What organism would you consider not in the phylum arthropoda?

sea cucumber

What phylum does a jellyfish belong to?


What process allows an insect to eat different types of food and live in different environments during different stages in its life?


What does it mean for a bivalve to be sessile?

it is attached to an object and cannot move around.

Which type of worm is divided into ring-like segments?

segmented worms

What is an advantage of external fertilization?

many offspring are produced

What are the three types of symmetry?

asymmetrical, bilateral, and radial

What are the characteristics of all animals?

All animals are multicellular, eukaryotic, and heterotrophs. They do not have a cell wall and do not contain chlorophyll.