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| 4420752385 | list the common charecteristics that all animals share | 1. Multicellular heteotrophs 2. cells are supported by collagen 3. Diploid and usually reproduce sexually 4. most have hox genes | 0 | |
| 4420752386 | What distinguishes vertebrates from invertebrates | vertebrates have a internal segmented backbone. | 1 | |
| 4420752387 | Which group contains the vast majority of animal species? | vertebrates. | 2 | |
| 4420752388 | radial symmetry | body parts arranged in a circle around 1 axis. ex: starfish and jelly fish. | 3 | |
| 4420752389 | bilateral symettry | can be split down the middle and have 2 mirrored sides. ex: human and dog | 4 | |
| 4420752390 | Porifera (sponges) | characteristics: lack muscle and nerve cells. unable to move from where they are attached. ex: sea sponge. | 5 | |
| 4420752391 | Cnidaria (Cnidarians) | ex: jelly fish, coral, and sea anemone 2 basic body forms: polyps and medusas characteristic: they sting prey and digest it | 6 | |
| 4420752392 | playltyhelminthes (flatworm) | ex: tapeworms,planarians, flukes characteristics: absent gut, 3 classes include planarians, flukes, tapeworms. | 7 | |
| 4420752393 | Mollusca (molluscs) | ex: garden snails, clams, squid gastropod- snails pelecypoda- clams cephalopoda- squid | 8 | |
| 4420752394 | Annelida (segmented worms) | ex: earthworms, marine worms, and leeches segmented body, 3 groups include earthworms, marine worms, and leeches | 9 | |
| 4420752395 | Nematoda (roundworms) | ex: hookworms, pinworms, guinea worms role: are parasites of nearly every animal and plant species. | 10 | |
| 4420752396 | Echinodermata (echinoderms) | ex: sea stars, feather stars, sea lillies have a water vascular | 11 | |
| 4420752397 | arthropoda (arthropods) | ex: rhino beetle, lobsters, scorpions | 12 | |
| 4420752398 | phylum chordata | invertebrates chordates, fish, amphibians, reptiles, birds, and mammals. | 13 | |
| 4420752399 | 4 characteristics common to chordata | notochord hollow nerve cord pharyngeal slits tail | 14 | |
| 4420752400 | what are the two groups of invertebrate chordates | tunicates and urochordates | 15 | |
| 4420752401 | what do vertebrates have in common | large, active, brain encased in a hard skull | 16 | |
| 4420752402 | describe the vertebrate endoskeleton and how they differ from exoskeleton | arthropods exoskeletons- outside of an animal and do not grow with the vertebrae, but shed. endoskeleton vertebrate endoskeleton- can change shape and size, built with bone and cartilage, and is more protective. | 17 | |
| 4420752403 | unique fish charecteristics | gills and paired fins | 18 | |
| 4420752404 | chondrichthyes | rat fish, shark, and ray. skeleton made of bone. | 19 | |
| 4420752405 | osteichthyes | common name is bony fish and skeleton made of bone. | 20 | |
| 4420752406 | two common amphibia | snakes and crocodile | 21 | |
| 4420752407 | amphibians challenges | first mammals with four- used to paddle thru water water evaporates from their skin quickly- can absorb water through skin eardrum- evolved on gill limbs and lungs- successful for environments with poor oxygen. | 22 | |
| 4420752408 | amniotic egg | waterproof container for the embryo. keeps embryo from drying out as it develops. | 23 | |
| 4420752409 | endothermic animal | organisms use their own metabolic heat to keep warm. | 24 | |
| 4420752410 | ectothermic animals | organisms whose body temperatures are determined by their environment. | 25 | |
| 4420752411 | 4 types of reptilla | eastern water dragon, crocodile, alligator, and lizard. | 26 | |
| 4420752412 | oviparous animals | deposit their eggs into an external nest | 27 | |
| 4420752413 | viviparous animals | keep the egg inside their body during development | 28 | |
| 4420752414 | reptile adaptions | amniotic egg ectotherms dry scales (contain heat and absorb energy) many shapes and sizes | 29 | |
| 4420752415 | bird adaptions for flying | hollow bones, fused "v-shaped" collarbones, hips, and feathers. | 30 | |
| 4420752416 | 4 main characteristics of mammals | hair, mammary glands, middle ear containing three bones, and jaw. | 31 | |
| 4420752417 | describe the 3 major groups of mammalia | monotremes-lay eggs marsupials- eutherian- give birth to live young. | 32 |
