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35 Cards in this Set

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4 major groups of plants



























bryophytes, ferns, gymnosperms, angiosperms

how are spores different from seeds

spores are haploid, seeds are diploid

what are traits of gymnosperms

seeds, wind pollinated

name the oldest and largest trees

bristlecone pine, coast redwood

traits of angiosperms

seeds, fruit, flowers

parts of a flower

stigma, style, anther, filament, petal, sepal, ovary

anatomy of a grain

internal seed = protein


Bran = fiber


vitamins and minerals

Gregor Mendel

Austrian monk in 1860's first to understand basic laws of genetics.

3 major components of DNA

Phosphate, sugar, Nbase

how much energy is lost going up each tropic level

90%

food chain with 4 tropic levels

Plant= producer


Herbivore= consumer


Carnivore= 2carnivore


Carnivore= territory consumer



two types of mimicri

Batesian = harmful


Mullerian= dangerous

what are mitochondria

organelle found in cell, powerhouse



simplest animal group

sponges

how long does an octopus live?

3-5 years

3 major classes of arthropods

crustaceans


arachnids


insects

traits of arthropods

exoskeleton made of chitin


jointed legs (6+)


found in all habitats

basic anatomy of arachnids (spiders)

venom


slick to make webs


8 legs

how do spiders use their silk glands

to make webs


to catch prey

how to tell spiny lobster from american lobster

spiny lobster- claws on first four legs, and pair of horns


American lobster- regular claws

basic anatomy of insects

6 legs


thorax


head


abdomen


pair of wings


1 pair antennae

describe insect tracheal system

air enters through abdomen in openings called spiracles and continues in tubes that that branch into small similar tubes

4 types of mollusk

gastropoda


bivalvia


class cephalopods


polyplacohoria

body plan of a mollusk

foot


visceral mass


mantle


radula



what is a sea slug or nudibranch

slug is a snail without a shell


colorful gills to scare predators



simplest atom

hydrogen

what atom is the backbone of life macromolecule

carbon



three parts of a nucleotide

phosphate carbon nitrogen



DNA vs RNA

RNA contains sugar and nitrogen bases

what are genes, what do they do

chromosomes, nucleus produces protein



how does natural selection occur

variation


adaptivness


overproduction


survival

when did life first appear

4 billion

how old is the earth

5 billion

what are the attributes of all living things

grows, reproduces, responds to stimuli, DNA, metabolizes



name of ship darwin traveled on, how old was he when became ship naturalist

HMS, 22