| A | B |
|---|
| Metamorphosis | A dramatic change in body form. |
| Amphibian Characteristics | lives half of life in water and half on land, slimy skin no claws or scales, |
| External Fertilization | Eggs are laid outside of body and then fertilized by the sperm. |
| Arthropod | "jointed foot" |
| Characteristics of Arthropods | segmented body,jointed appendages,exoskeleton |
| Poriferia means | "pore-bearer", phylum of sponges |
| Two body forms for Cnidarians | vase shape (poylp) and bowl shaped (Medusa) |
| Examples of Cnidarians | Jellyfish, Hydra, Coral, and |
| Characteristics of cnidarians | one body opening, two body forms |
| Examples of Arthropods | centipides, millipides, insects, arachnids, crustaceans |
| Characteristics of Insects | Three body segments, 6 legs |
| Characteristics of Crustaceans | 10 legs, claw or other mouth parts, two sets of antennae |
| Characteristics of Arachnids | Two body segments, 8 legs |
| What do sponges use thier pores for | They pull water into thier pores and extract food and oxygen |
| What is asexual reproducation | An organism that can create another organism identical to itself |
| How do sponges asexually reproduce | By budding |
| What is Regeneration | The ability to regrow body parts |
| Molt | Shed the exoskeleton |
| Advantages of the exoskeleton | protection, holds in water, water proof |
| Disadvantages of exoskeleton | Does not grow with the organism, must molt to grow |
| Stages of complete metamorphosis | egg, larva, pupa, adult |
| Defense mechanisms of insects | camoflage, compound eyes, stingers, chemicals |
| What are pheremones | Chemical signals given off by a insect to attract a mate |
| Characteristics of echinoderms | spinny skin, internal skeleton, 5 part body, water vascular system, tube feet |
| Examples of echinoderms | star fish, sea cucumber, Sea Eurchin, sand dollar, Sea lily |
| Three phyla of worms | flat worm, round worm, segmented worm |
| Examples of flat worms | planeria, tape worm |
| Examples of round worms | hookworm, trichinella |
| Examples of segmented worms | earth worm, leach, sand worm |
