Abeka Science 7th grade chapter 6

vein

Large vessels that carry blood back to the heart

kangaroo

Largest hopping mammal

placental mammals

Mammals that carry their young in the uterus inside a tissue (placenta) that enables nutrients, gases, and wastes to be exchanged between the mother and the embryo.

Ungulates

Mammals with hooves

Xenarthrans

Mammals with simple teeth without enamel or with no teeth at all. Examples are: sloths, anteaters, and armadillos.

Canines

Members of the dog family

primates

Monkeys, apes, lemurs, bush babies, and tarsiers

platypus

Monotreme known for its duck-like bill

shrew

Mouse like insectivore with non-pointed nose; can die of fright

Phloem

Movement of water from higher concentration to low concentration through a semipermeable membrane

Animals

Multicellular organisms that move and are consumers

earless seals

True seals, have males and females that are about the same size

Speciation

Variation in the gene pool within a particular kind

genus and species

What are the two parts of a scientific name?

fawn

baby deer

compound fracture

bone breaks through the skin

horn

bovid head structure that consists of a bony core surrounded by a hollow sheath of hardened skin

prehensile

capable of grasping

Mutation

Sudden, permanent change in an organisms DNA

radial symmetry

Symmetry that can be cut in equal halves in more than one direction

digestive system

The body system that breaks down food into usable nutrients

Prosmians

The groups of primates now the smallest and look the least like the common monkey

endocrine system

The hormones that control various internal body functions are released by the _______ _________

Epidermis

The layer of skin directly above the dermis

iron

The mineral needed for the transport of oxygen in the blood

heart

four chambered; similar to man

rumen, reticulum, omasum, abomasum

four chambers of ruminant stomach

guard and underhair

hair on mammals

rinoceros

has three toes and thick tough skin

anteaters

have elongated snout and long tongues that they can stick out farther than the length of their heads

antlers

head extensions of dead bone without a covering

lawn view

modern species descended directly from the same created ancestor species with no variation and no relationship between species

Marijuana

most commonly abused hallucinogen in the US

extinct

no longer in existence

Old World Monkeys

primate with long tails and closely spaced, comma shaped nostrils

monkey

primates with tails

Apes

primates without tails

mammary glands

produce milk

Loius Pasteur

proved that spontaneous generation did not happen with boiled broths in s shaped containers.

Lagomorphs

rabbits, hares, pikas

Camels

ruminants commonly used for transportation in desert areas

Pangolins

scaly anteater

Organisms

similarity in design found in many living things

Dungong

sirenian that has a forked, whale-like tail

sloth

slowest moving mammal

chimpanzee

smartest of all primates

Vibrissae

specialized hairs used only for sensation

botany

study of plants

metabolism

sum of all body activities

giraffe

tallest living mammal

Siberian tiger

the largest cat

Gray Wolf

the largest wild canine

bats

the only flying mammals

hyrax

the rodentlike animal sometimes called a coney

kiki's hog-nosed bat

the smallest mammal

Carbohydrates

the starches and sugars present in foods

blubber

thick layer of fat

Pollination

transfer of pollen from anther to stigma

eared and earless

two general types of seals

Dolphins and porpoises

types of small, toothed whales

hibernation

winter dormancy in mammals

dependent variable

A factor that is observed to determine the results of an experiment

Cats

Considered the only true carnivorous family because none of them eat plants

Hypothesis

A sensible explanation for scientific problem

emotion

A strong feeling expressed in a physical way

compound leaf

A type of leave that has more than one leaflet attached to the petiole

silverback

An adult male gorilla

ceceteans

Contains the marine mammals whales, dolphins, and porpoises

walruses

Aquatic carnivores bigger than seals and have tusks.

whales

Are divided into two main groups depending on how they catch their food

Molars

Back teeth that grind food

bear

Best described as omnivores

Origin of Species

Charles Darwin

Andreas Vesalius

Father of Anatomy

koala

Feeds primarily on Eucalyptus leaves

deer

Four towed artiodactyl, is a useful animals are man, providing skins and meat

habitat

Good place within the environment where an organism lives

mice and rats

Have a long snout with well-developed whiskers

baleen whales

Have comb like the plates known as baleen or whalebone crossing their mouths

Mustelids

Include weasels Wolverines skunks Dodgers ferrets mink and otters include weasels, wolverines, ferrets, mink, and otters

endoskeleton

Internal skeleton made of bone and cartilage

Beavers

Natures finest engineers

swine

Non-ruminant artiodactyls

Spleen

Organ that produces bile, filters are in poisonous substances from the blood, and stores excess blood glucose

natural selection

Organism is better able to survive in an environment that another organism will survive and become predominant

Aardvarks

Pig like African mammal that is the only member of order Tubulidentata

Numbat

Pouchless marsupial that eats termites

New World Monkeys

Prime it with prehensile tails; round nostrils; hairless faces; and thick wooly fur

lemur

Prime it with the fox like face in a well-developed tail

warm-blooded

Regulating body temperature by internal mechanisms

armidillo

Round body xenarthran with flexible band that look like armour

foxes

Similar in shape to wolves but much smaller

mole

Small, busy animals that burrow under ground in search of earthworms and other small invertebrates

hedgehog

Small, round bodied insectivore that is covered in black, barbless spines

toothed whales

Sperm whales, narwhals, dolphins, proposes, and orcas

Echidnas

Spiny anteaters

Reproduction

The process by which life continues throughout the generation of new organisms

skeletal system

The system that controls the body functions and activities

lodge

a beaver's nest

Uniformitarianism

a believe that the present is the key to the past

infectious disease

a disease caused by a pathogen

amniotic sac

a fluid-filled sac that cushions and protects a developing embryo and fetus in the uterus

ruminant

a name for animals that chew cud

tapirs

a nocturnal hoofed mammal with a stout body, sturdy limbs, and a short flexible proboscis, native to the forests of tropical America and Malaysia.

Oppossum

ability to play dead; only marsupial found outside australia

Alveoli

air sacs in the lungs

pea family

also called legumes

camouflage

an animals ability to blend in with its environment

Species

an originally created type of organism

vertebrate

animal with a backbone

invertebrate

animal without a backbone

seals

aquatic carnivores with a streamlined body that is round in the middle with tapered at the ends

Germination

early growth of a seed

Omnivores

eat both plants and animals

insectivores

eat insects

carnivores

eat meat

herbivores

eat plants

Oviparous

egg laying

artiodactyls

even-toed ungulates

bovids

horned mammals, including cattle, sheep, goats, and antelope

endangered

in danger of becoming extinct

lungs

larger in relation to their body size than those of cold blooded animals

rodents

largest group of mammals

elephants

largest land mammals

Cerebrum

largest part of the brain

Capybaras

largest rodent

flying lemur

longest gliding mammal

ventricle

lower chamber of the heart

Monotremes

mammals that lay eggs

Sirenians

manatees and dugongs

perissodactyls

odd-toed ungulates

annual

one growing season

hippopotamus

one of Africa's most deadly animals

equids

one-toed hoofed mammals including horses and zebras

flora

plant life

marsupials

pouched mammals