Vertebrates and Invertebrates

Flashcards for lecture notes

Amphibians

Small vertebrates that need water to survive

Arthropoda

Phylum of invertebrate animals characterized by segmented bodies and an exoskeleton made of chitin

Asymmetrical

Lack of balanced proportions in an organism's structure

Bilateral

Mirror images of right and left halves

Birds

Warm-blooded vertebrate of the class Aves

Cnidarians

Aquatic, soft-bodied animals, skin as exchange surface

Endoskeleton

Internal skeletal system, composed of bone/cartilage

Exoskeleton

Hard, external layer that covers, supports, and protects the body of an invertebrate animal

Fish

Aquatic vertebrate with gills and no limbs.

Insects

Arthropoda characterized by a segmented body, 3 pairs of legs, and 2 pairs of wings

Invertebrates

Animals without a backbone

Mammals

Animals that breathes air, has a backbone, hair or fur

Marsupials

Young finish development in a pouch

Monotremes

Egg laying mammal

Oviparous

Eggs are laid and hatch outside of the mother

Ovoviparous

Eggs held in the mother until they hatch

Placenta

Young completes development inside the mother

Radial

Divide body into similar halves

Reptiles

Air-breathing vertebrates with dry skin.

Vertebrates

Animals with a backbone

Viviparous

Developing embryo develops in the mother, no yolk sac