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Science Final

7th Grade Science Final Review

organism that makes his own food autotroph
plants that produce seed can live in ___ enviroments dry
the___ inside a plant cell stores water vacule
structures inside plant cells in which are ___ chloraplasts
___ is a group of similar cells that perform a specific function in an organism tissue
___ is a waxy waterproof layer cuticle
plants life cycle egg and sperm cell produced by___ roots
___ plants do not have a complex system to transport water vascular
tissue where food moves DOWN floem
nutrients enter enter a plants roots and go through the___ into stems and leaves xylem
all gymnosperms have naked seeds
all angiosperms are protective structures called___ fruit
flowers of ___ usually have a multiple of three petals moncots
the ___ of a gymnosperm develops in the ovule seeds
parts of seed include ________________ embryo, cytoleydon, seedcote
seed and seedless plants _____ life cycle complex
seeds begin ____ when absorb water grow
small openings are ____ stomata
plants use the ____ to make food sun
almost all living things depend on the process of_____ photosynthesis
during respiration, glucose is combined with ____ oxygen
glucose released is called ____ respiration
respiration uses _____ oxygen
PRODUCTS OF RESPIRATION are energy carbon dioxide and _____ water
production of energy without_____ is fermantation oxygen
____ and _____ capture the energy from the sun roots leaf
is beneficial to hetotroph photosynthesis
all vertabrates contain a spine
adult amphibians heart have __ chambers 3
process of sexual reproduction joins an ____ and ____ egg and sperm cell
all animals are hetotroph
hard shells and spiny skins help animals from predators
strong skeletons adapt amphibians on land
adult amphibians have lungs and gills
organisms only mate with own blood
an inherited characteristic is an adaption
new species form from sexual reproduction
most fossils are found in sedimentary rock
when minerals replace bone perified fossils form
to determine a fossils actual age scientists analyze radioactive
earths history spans more than____ billion years 4.1
a fossil record tells if a animal is extinct
____ time lasted 4 billion years ago prehistoric
______ dating tells which of the fossils are older relative
_____ is the theory that evolution occured phyla
_____ dating determines the actual age of the fossil absolute
the stomach is lined with mucus
energy in food is measured in units called calories
half of all ____ are made with proteins in the body vitamins
the ____ intestine is to prepare waste materials large
fruit contains alot of carbs
helps the digestive system function fiber
most chemical digestive takes place in the small intestine
needed substances are carried by blood
Created by: djkurten