Chapters 1-6

An animal with a backbone

known as the father of Anatomy

lower chambers of the human heart, which pump blood to other parts of the body

large blood vessels that carry blood back to the heart

the belief that the present in the key to the past

science put to practical use

variation of the gene pool within a particular kind

the slow-moving arboreal mammal with large claws

manatees and dugongs

General name for animals that chew cud

largest group of mammals

an appropriate first-aid treatment for someone who strained his biceps

process by which life continues through the generation of new organisms

a living thing that can be cur in equal halves in more than one direction

the ides that claims evolution occurs in rapid bursts separated by long periods of time

Scientific name of a cougar

includes monkeys and apes

tail capable of grasping

transfer of pollen from anther to stigma

thick, sticky film of bacteria that forms on teeth

the term flora refers to

Mammals whose young develop in a uterus or womb

the food-making process of plants

Legumes, which help restore nitrogen into the soil are found in which family

movement of water from higher concentration to lower concentration through a semipermeable membrane

An animal that eats both plants and animals

system that controls the body functions and activities

idea that an organism better able to survive in an environment than the another organism will survive and become predominant

a sudden, permanent change in an organisms DNA

oviparous mammals

flat teeth that are used for grinding food

groups of kangaroos

sum of all body activities

have a pouch in which their young develop

the most commonly abused hallucinogen in the US

Which characteristic of man sets him apart from mammals?

lack of proper nutrition

French scientist who used both broth and flasks to disprove spontaneous generation

organ that produces bile, filters certain poisonous substances from the blood

incorrect view of life that teaches that each modern species is descended directly from an identical, originally created species with no variation

have four upper incisors that continue growing

an originally created type of organism

mineral needed for the transport of oxygen in the blood

term that refers to an animal without a backbone

shrews, moles, hedgehogs

a disease caused by a pathogen

sensible but untested explanation for a scientific problem

term refers to the similarity of design found in many living things

dormant state that some mammals enter during the winter

the place within the environment where an organism lives

early growth of a seed, until the plant is ready to produce its own food

angiosperm seeds are enclosed inside a this structure

only group of mammals considered truly carnivorous

no longer in existence

idea that the universe and life are the result of chance and natural process

layer of skin directly above the dermis

An internal skeleton

hormones that control various internal body functions are released by this system

a strong feeling expressed in a physical way

bats are able to find their insect prey using this system

breaks down food into usable nutrients

respiratory structure that is unique to mammals

group of drugs that includes alcohol

a factor that is observed to determine the results of an experiments

a fracture in which the bone breaks through the skin

the type of leaf that has more then one leaflet attached to the petiole

wrote the book On the Origin of the Species

the largest part of the human brain, which is responsible for thought

group of nutrients that includes sugar and starches

tigers stripes which allow it to hide from its prey

central nervous system

the branch of biology that studies plants

the largest mammal

Many marine mammals have a type of fat called _________

the only mammal that can fly

Group of marine mammals with comb-like plates for capturing food

some hoofed mammals are known for their head extensions of dead bone without covering

a plant that has one growing season

term for tiny air sacs found in a person's lungs

physical activities that strengthen the heart and lungs and burn fat