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
