| A | B |
|---|
| Endoskeleton | Skeleton inside |
| Anterior | Head side of an animal |
| Posterior | Butt side of an animal |
| Ventral | Bellyside of an animal |
| Dorsal | Back side of an animal |
| Annelid | Segmented worm, first organism to have a closed circulatory system |
| Amphibian | Like frogs, need to live in water as baby breath air as adult. Eggs are laid in water |
| Primates | Monkeys and humans , they have opposable thumbs that allows them to use tools |
| Mammals | Humans, whales dogs- have hair feed young milk, take care of young, young born alive, internal fertilization, internal development |
| Bilateral symmetry | Humans- can cut into 2 equal halves |
| Sessile | An animal that does not move |
| Respire | Animal breathing |
| Vertebrates | Animals that have a backbone |
| Invertebrate | Animals that do not have a backbone |
| Blastula | Hollow ball of cells formed during animal development |
| Gastrula | Cells start to indent during animal development, when cells start to specialize |
| Placental animals | Humans- animals that develop in womb use placenta for nourishment |
| Marsupial | Kangaroo – baby develops in a pouch |
| Asymmetrical | No balance ( blob) amoeba |
| Radial symmetry | Like starfish cut it along any plane into 2 equal halves |
| Exoskeleton | Skeleton on the outside – crab |
| Symbiosis | Organism living together |
| Mutualistic relationship | Both organisms benefit, both happy |
| Commensalism | One organism benefits other is neither helped nor harmed, 1 happy other doesn’t care |
| Parasitism | On organism lives off another causing harm to the second organism – 1 happy other is sick or dead |
| Population | Group of same species living in the same place that can breed and that competing for resources |
| Community | Made of several population |
| Ecosystem | Made up of several populations |
| Habitat | Where an organism lives |
| Niche | An organisms job |
| Carnivores | Eat only meat |
| Omnivore | Eats both plants and meat |
| Scavenger | Eats dead organisms |
| Decomposers | Break down dead matter |
| Herbivore | Eats only plants |
| Ecology | Interactions between organism and their environment |
| Biosphere | Part of earth that supports live |
| Biotic | Living factors of an environment |
| Abiotic | Non living factor s of an environment ( air temperature) |
