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Transcript
Sexual Reproduction
Asexual Reproduction
Draw an Example
Diverse
Uniform
2
1
Offspring
Parents
PRIMARY SUCCESSION
Bare Rock
Need Pioneer Species (lichen/mosses)
More Stages
Take Longer
Ends with Climax Community
SECONDARY SUCCESSION
Soil Present
Occurs after catastrophic event
Fewer Stages
Takes Less Time
Ends with Climax Community
3. Each biome has unique environmental conditions and resources to which the organisms have
evolved to survive. The organisms have adaptations specific to the confidtions and resources
available within the biomes they live in.
4.
What allows organisms to survive in their environment?
Adaptations
5.
Why is biodiversity important? Biodiversity is important because it helps
create a balanced
ecosystem (community), increases food/shelter/mate etc. choices for the
organisms.
6.
Indicate whether biodiversity may increase or decrease for each scenario
below:
Replanting of several native species:
Replanting only 1 native species:
Protection of endangered species:
Introduction of an invasive species:
Increase
Decrease
Increase
Decrease
What process drives adaptations? Does this usually happen quickly or over time?
The process of Evolution by Natural Selection – usually happens slowly,
states that the best adapted survive to hopefully reproduce and pass the
adaptations onto their offspring
7.
Sustainability is the ability of an ecosystem to maintain equilibrium. An
ecosystem’s ability to continue to exist and thrive.
10. Place a check mark in each box that applies to the substances listed.
Substance
FeO4
CO2
C2H4O
C10H13N5O4
NaCl
MgSO4
O2
C6H12O6
C4H5N3O
Element
X
Molecule
Compound
Organic
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
11. Organic compounds contain aat least one Carbon atom bonded to a Hydrogen
atom. Inorganic compounds may contain either Carbon or Hydrogen, but not both.
12.
Neuron >> Nerve >> Brain >> Nervous System
Red Blood Cell >> Blood >> Blood Vessel >> Circulatory System
Cell >> Tissue >> Organ >> Organ System >> Organism
13. Explain how the digestive system, muscular system, and the circulatory system work together
to supply all cells with the nutrients they need to function properly, INCLUDE the role the villi
play in this process. The digestive system mechanically and chemically breaksdown food into
small molecule that the body can use, muscle line the digestive system organs and move the food
materials through the system with peristalsis, Once the molecules are small enough for the cells
to use they are absorbed by the villi in the small intestine and passed into the circulatory system
to be transported throughout the body.
14. Explain how the respiratory system, circulatory system, integumentary system, excretory
system, and the digestive system work to remove waste from your body. The respiratory
system receives carbon dioxide gas form the circulatory system which is released form your
body when you exhale. The circulatory system picks up carbon dioxide and other waste from all
cells in the body. The excretory system filters the blood in the kidneys removing waste and
forming urine which is sent to the urinary bladder to be stored until your body expels it. The
digestive system releases solid waste in the form of feces. Feces is the food materials tha our
body could not digest. Finally the integumentary releases small amounts of excess salt and other
waste with sweat.
15. Explain how the endocrine system and the reproductive system work together to ensure the
survival of a species. The nervous system uses electrical impulses to coordinate and control the
activities of the body. The endocrine system receives direction from the nervous system then
uses chemical signals called hormones to coordinate growth and other specific activities of the
body systems.
16. Explain the difference between a response and a stimulus. Explain the difference between an
external stimulus and an internal stimulus. A stimulus is a change in the environment that causes
a response. A response is the reaction / action taken due to a stimulus. An internal stimulus
comes from inside your body (hunger, thirst etc.) while and external stimulus comes from
outside your body.
17. Compare and contrast sexual and asexual reproduction – include number of parents, which
increases diversity within a species, the material responsible for passing traits from parent to
offspring, and whether offspring are identical or similar to the parents Asexual reproduction = 1
parent, no combining of genetic material therefore the offspring are identical to the parent.
Sexual reproduction = 2 parents, combining of genetic material from 2 sources therefore the
offspring are similar to parents but NOT identical to the parents. Sexual reproduction creates
more variation / diversity within a species. Variation and diversity within a species usually
increases a species change of survival.
18.
Reproductive System facilitates the continuation of a species
19.
Endocrine System
uses hormones to help regulate the body’s activities
20.
Excretory System
filters waste from blood to be expelled from the body
21.
Respiratory System
acquires oxygen for the body and releases carbon dioxide
22.
Circulatory System
remove Carbon dioxide
works with the above system to move oxygen to all cells and
23.
breaks down large molecules so they can be absorbed by the body
Digestive System
24.
Nervous System
activities
25.
uses electrical impulses to control the body’s
Integumentary System
protects from infection and helps regulate body temperature
26.
Complete the Chart Below
STRUCTURE
Nucleus
Vacuole
Lysosome
Cell Wall
Mitochondria
Ribosomes
Endoplasmic Reticulum
Chloroplast
Cytoplasm
Cell Membrane
Golgi Bodies (Apparatus)
FUNCTION
Control the activities of the
cell
Store water, food, some waste
Breakdown molecules, waste
Rigid, give support and shape
Produces energy for the cell
Synthesizes proteins
Assembles molecules and
transport them across the cell
Transform radiant energy into
chemical energy (glucose)
Jellylike substance keeps cell
organelles in place
Surrounds the cells controls
what enters and leaves the cell
Packages materials to be
exported out of cell
BODY SYS or Organ
Brain
Urinary bladder, large intestine
Liver, digestive system
Skeletal System
Digestive system, adrenaline
Muscles
Circulatory System (blood
vessels)
Digestive system
Connective tissue (tendons,
ligaments, mesentery)
Alveoli, Digestive System
Skin, Integumentary System
Ecretory System, Large
Intestine/Rectum
27.
Evolution By Natural Selection “drive” adaptations. The best adapted survive to
reproduce passing those adaptations onto their off spring. Usually happens over time.
28.
What are the 3 main parts of The Cell Theory?
1) all living things are made of cells
2) all cells come form pre-existing cells, and 3) the cell is the basic complete unit of living
things.
29.
Compare photosynthesis and cellular respiration – how are they alike? How are they
different?
They are chemical reactions that take place in cells and involve the transformation of energy.
Although they use the same compounds the reactions are opposite from one another.
Photosynthesis takes place in the cells of autotrophs, cellular respiration occurs in the cells of
autotrophs and and heterotrophs.
30.
Write out the chemical equation for Photosynthesis – label the products, reactants,
describe the energy transformation that takes place, name the organelle that it takes place in:
6CO2 + 6H2O
>>>>
C6H12O6 + 6O2
Reactants
Sunlight
Products
absorbed
Radiant energy from the sun is absorbed by the chlorophyll in chloroplasts of plant cells and
transformed into chemical energy called glucose (sugar).
31.
Write out the chemical equation for Cellular Respiration – label the products, reactants,
describe the energy
transformation that takes place, name the organelle that it takes place in:
C6H12O6 + 6O2
>>>>
6CO2 + 6H2O
Reactants
ATP (thermal energy)
Products
released
Chemical energy in the form of glucose (sugar) is transformed into ATP (thermal energy) in the
mitochondrion of cells
32.
Describe trait – include a definition, an example, the name of the molecule that codes for
a trait and where the molecule is located in a cell.
Traits are characteristics of organisms such as hair color, skin tone etc. Traits can be inherited or
acquired. Inherited traits are passed down to offspring form parents and are coded for by genes.
Genes are sections fo DNA that contain information about an organism. DNA makes up the
chromosomes (chromatin) which is found in the nucleus of
eukaryotic cells. Genetic
material of prokaryotic cells is found in the cytoplasm.
32.
Complete the chart below comparing and contrasting Animal vs. Plant Cells by placing
an X in the appropriate column. Place X if the cell type contains the organelle.
ORGANELLE
Many Small Vacuoles
One Large Vacuole
Cell Wall
Cell Membrane
Chromosomes / DNA
Nucleus
Ribosomes
Mitochondria
Chloroplast / Chlorophyll
Endoplasmic Reticulum
PLANT CELL
X
X
X
X
X
X
X
X
X
ANIMAL CELL
X
X
X
X
X
X
X
33. What would happen to the spider population if the insectivorous bird population increased?
The spider population will decrease (More birds eating them)
34. What would happen to the predaceous insect population if the toad population decreased?
The predaceous insect population would increase (fewer toads eating them)
35. If the producers died out, what would happen to the food web?
Without producers there would not be energy to fuel the rest of the ecosystem and it would
collapse
35. What is the difference between autotrophs and heterotrophs?
Autotrophs can make their own food (Photosynthesis) and a Heterotroph can not make their own
food and must rely on other organisms for energy.
36.
10%. The sun is the initial source of all energy on Earth
37.
38.
39.
40.
Force
Work
Distance
Motion
41.
42.
43.
44.
Gravity
Joules
kilometers
simple machines
45.
46.
47.
Yes, because the pencil moved a distance in the direction of the applied force.
No, because the car does not move.
No, because the flag does not move.
Succession Worksheet
1.
2.
3.
4.
5.
6.
B >> C >> A >> D
B
They will eventually die off because they will not have a good environment to build nests
to reproduce.
C
D
A