science

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1
what are the theory of cell
cell is compose of one or more cell, a cell is the basic unit of life, all cwlls come from preexisting cells
2
responsible for life processes
protoplasm
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controls movement in and out of the cell
cell membrane
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supports and protects cells
cell wall
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commond center
nucleus
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largest part of the cell where most life processes occur
cytoplasm
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powerhouse of the cell
mitochondria
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contains green pigment
chlorophyll
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produce protein from the information in dna
ribosomes
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contains the hereditary material of organism
DNA
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essential for the most biological function
RNA
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package cell product and moves them out the cell
golgi complex
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store material such as water
vacuoles
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responsible for the storage and transport
vesicles
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remove harmful substances inside the cell
lysosomes
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bones and muscles of the cell
cytoskeleton
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where all cells are joined together
junction
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coined the word cell after observing cork cell using his microscope
Robert hooke
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is know to have made over 500 microscope during hus lifetime
antonie van Leeuwenhoek
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identified a dark stained structure at the center of every cell he observed which coined as nucleus
Robert brown
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proposed that all plants are made up of cell
matthias jakob shleiden
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observed and proposed that all animals are also made up of cell
theodor schwann
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concluded rgat cells self reproduce
rudolf carl virchow
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a part that you can look through
eyepiece
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is an essential part of a microscope that connects the eyepiece
eyepiece tube
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it keeps the lenses of the ocular and objective at a ser distance
body tube
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it contributes to total magnification
objective lens
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is a rotating mechanism located on the lower part of a microscopes body
nosepiece
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it use for where the people should hold it
arm
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it provides a platform for holding ajd positioning
specimen stage
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is used to make large adjustment to the focus of the microscope
coarse focus or adjustment
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allows for precise adjustment
fine focus or adjustment
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is to hold the specimen in place
stage clip
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is used to direct ambient light or external light source onto the specimen
illumination mirror
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it provides stability and supportt
base
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stages of sexuall reproduction
pollination, fertilization, seed dispersal, and germination
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when the pollen is carried to the anther to the stigma of a flower
self pollination
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the pollen is carried to the stigma of another plant
cross pollination
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the word ecology comes from the Greek words _____ which means ___ and ___ which means ___
oikos, House, logos, to study
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what is biotic
living
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what is a abiotic
nonliving
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is defined as the state of dynamic equilibrium of a community of organisms
ecological balance
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reproduction involves only one parents
asexual
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reproduction involves two parent
sexual
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asexual reproduction does not involve fertilization; thus all offspring produced asexually are
identical to the parent
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plants can grow from their vegetative parts or specialized reproductuve structures, this are called?
natural vegetative reproduction
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flowers are the reproductive oarts of the plants, the female reproductive part is called the
pistil
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the male reproductive part is called the
stamen
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seeds, together with fruits, are sometimes carried away from a parent plant called
seed dispersal
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when the seed, sometimes with fruits, lands on the ground, it breaks through the seed coat and grows to form a new plant this is called
germination
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what are the two types of asexual reproduction in animal
budding and fragmentation
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takes place outside the mother's body
external fertilization
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within the mother's body
internal fertilization
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animals lay their eggs and hatch them outside the body of the mother
oviparous
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animals either hatch eggs within the body or release them immediately
ovoviviparous
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animals nourish their young inside the body
viviparous
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describe the interactions between and among organism within the environment
ecological relationship
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the biotic components of an ecosystem are made up od two groups
producers,consumers
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examples of nonliving factors that help sustain life in ecosystem
sunlight, water, oxygen, soil, temperature
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shows a more realistic flow of energy through an ecosystem
food web
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shows the sequence of how organisms obtain energy
food chain
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is a relationship where one organisms captures and consume another
predation
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is a relationship in which two organisms live together, depend on, and benefit from each other
Mutualism
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is the use of the same limit of resources by two or more species in the same place the same time fighting
competition
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is a relationship that benefits one organism and harms the other the infected organisms is the host and the organism that is harmed by the parasite
parasitism
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refers to the living of two or more organism , in an ecosystem over a long period of time it has tree simbiosis
mutualism, parasitism, commensalism
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is an one sided relationship in which one organism benefits while the other organism is neither benefited nor harmed
commensalism
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