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35 Cards in this Set
- Front
- Back
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4 major groups of plants |
bryophytes, ferns, gymnosperms, angiosperms |
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how are spores different from seeds |
spores are haploid, seeds are diploid |
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what are traits of gymnosperms |
seeds, wind pollinated |
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name the oldest and largest trees |
bristlecone pine, coast redwood |
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traits of angiosperms |
seeds, fruit, flowers |
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parts of a flower |
stigma, style, anther, filament, petal, sepal, ovary |
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anatomy of a grain |
internal seed = protein Bran = fiber vitamins and minerals |
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Gregor Mendel |
Austrian monk in 1860's first to understand basic laws of genetics. |
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3 major components of DNA |
Phosphate, sugar, Nbase |
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how much energy is lost going up each tropic level |
90% |
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food chain with 4 tropic levels |
Plant= producer Herbivore= consumer Carnivore= 2carnivore Carnivore= territory consumer |
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two types of mimicri |
Batesian = harmful Mullerian= dangerous |
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what are mitochondria |
organelle found in cell, powerhouse |
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simplest animal group |
sponges |
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how long does an octopus live? |
3-5 years |
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3 major classes of arthropods |
crustaceans arachnids insects |
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traits of arthropods |
exoskeleton made of chitin jointed legs (6+) found in all habitats |
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basic anatomy of arachnids (spiders) |
venom slick to make webs 8 legs |
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how do spiders use their silk glands |
to make webs to catch prey |
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how to tell spiny lobster from american lobster |
spiny lobster- claws on first four legs, and pair of horns American lobster- regular claws |
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basic anatomy of insects |
6 legs thorax head abdomen pair of wings 1 pair antennae |
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describe insect tracheal system |
air enters through abdomen in openings called spiracles and continues in tubes that that branch into small similar tubes |
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4 types of mollusk |
gastropoda bivalvia class cephalopods polyplacohoria |
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body plan of a mollusk |
foot visceral mass mantle radula |
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what is a sea slug or nudibranch |
slug is a snail without a shell colorful gills to scare predators |
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simplest atom |
hydrogen |
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what atom is the backbone of life macromolecule |
carbon |
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three parts of a nucleotide |
phosphate carbon nitrogen |
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DNA vs RNA |
RNA contains sugar and nitrogen bases |
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what are genes, what do they do |
chromosomes, nucleus produces protein |
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how does natural selection occur |
variation adaptivness overproduction survival |
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when did life first appear |
4 billion |
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how old is the earth |
5 billion |
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what are the attributes of all living things |
grows, reproduces, responds to stimuli, DNA, metabolizes |
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name of ship darwin traveled on, how old was he when became ship naturalist |
HMS, 22 |
