Study sets matching "biology pre ib"
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life
Genes (made up of strings of DNA. Not R…
Maintaining a stable internal environme…
The study of the interdependence betwee…
Biology is the study of ___.
All living organisms demonstrate the characteristic of heredit…
Homeostasis
Ecology
life
Biology is the study of ___.
Genes (made up of strings of DNA. Not R…
All living organisms demonstrate the characteristic of heredit…
What are the goals of science?
Describe the steps in scientific method…
What is an observation?
Define hypothesis
1. To provide natural explanations for events in the world.... 2.…
1. Observe & ask questions.... 2. Make inferences and form hypoth…
The act of noticing and describing events or processes in an o…
Scientific explanation for a set of observations that can be t…
What are the goals of science?
1. To provide natural explanations for events in the world.... 2.…
Describe the steps in scientific method…
1. Observe & ask questions.... 2. Make inferences and form hypoth…
Succession
Symbiosis
Human Impacts
Primary Succession
Ecological succession, the process by which the structure of a…
In biology, symbiosis refers to a close, long-term interaction…
Human impact on the environment or anthropogenic impact on the…
the series of community changes which occur on an entirely new…
Succession
Ecological succession, the process by which the structure of a…
Symbiosis
In biology, symbiosis refers to a close, long-term interaction…
organic molecule
genetic biodiversity
species biodiversity
ecosystem biodiversity
A molecule of the kind normally found in living systems. Organ…
Different individuals have different characteristics, caused b…
The number of different species that are represented in a give…
The number of different environments in an area.
organic molecule
A molecule of the kind normally found in living systems. Organ…
genetic biodiversity
Different individuals have different characteristics, caused b…
Hypothesis
What are The Steps of the scientific me…
Experiment
Analyzing Results
A well educated guess based on prior knowledge or experience
1. Observation/Question... 2.Research... 3.Hypothesis... 4.Experiment... 5…
A test or a trial for the purpose of discovering something unk…
is a process of inspecting, cleaning, transforming, and modeli…
Hypothesis
A well educated guess based on prior knowledge or experience
What are The Steps of the scientific me…
1. Observation/Question... 2.Research... 3.Hypothesis... 4.Experiment... 5…
water molecule (electrons/charges)
water molecule (bonds)
why is the water molecule polar?
cohesive properties (of water)
the oxygen atom has more protons than the hydrogens so it attr…
- water molecules stick together because hydrogen bonds form…
water molecule (electrons/charges)
water molecule (bonds)
cell theory
challenges to the cell theory
functions of life
explain why small cells are more effici…
- all living things are composed of cells... - the cell is the sm…
- striated muscle challenges the idea that a cell has one nu…
- metabolism... - response... - homeostasis... - growth... - reproduction…
- larger surface area to volume ratio can act more efficiently…
cell theory
- all living things are composed of cells... - the cell is the sm…
challenges to the cell theory
- striated muscle challenges the idea that a cell has one nu…
discrepancy
autotrophic
heterotrophic
interbreed
차이, 불일치
독립 [자가] 영양의... Produce their own E by; 1. photosynthesis 2. chemo…
타가 (他家) 영양 / 종속 영양 생물... Survive by feeding on organic matter pro…
동물이 상호 (이종) 교배하다 breed or cause to breed with another of a dif…
discrepancy
차이, 불일치
autotrophic
독립 [자가] 영양의... Produce their own E by; 1. photosynthesis 2. chemo…
To investigate and understand the natur…
Ask a question, research, hypothesize,…
Ask a question, research, hypothesize,…
a supposition or proposed explanation m…
What are the goals of science?
How would one describe the process of science?
What are the steps of scientific methodology?
Define: Hypothesis
To investigate and understand the natur…
What are the goals of science?
Ask a question, research, hypothesize,…
How would one describe the process of science?
11 body systems
Enzymes
Mouth
Oesophagus
Integumentary: protects from water loss and outside environmen…
- large biological molecules... - generally named after what they…
- teeth masticate food... - saliva is released to lubricate and p…
- propels food from mouth to stomach... - propulsion performed (p…
11 body systems
Integumentary: protects from water loss and outside environmen…
Enzymes
- large biological molecules... - generally named after what they…
Fact
Law
Theory
pH
an observation that has been repeatedly confirmed never final
A description generalized about how an aspect of natural world…
a well sustained explanation
percent of hydrogen
Fact
an observation that has been repeatedly confirmed never final
Law
A description generalized about how an aspect of natural world…
life
genes
c.
Ecology
Biology is the study of __________
All living organisms demonstrate the characteristic of heredit…
Homeostasis means (a. change over long periods of time b. sum…
Scientific study of interactions among organisms and between o…
life
Biology is the study of __________
genes
All living organisms demonstrate the characteristic of heredit…
Gene
Allele
Genome
Genetic Mutation
a sequence of DNA or RNA which codes for a molecule that has a…
alternative forms of a gene that arise from a mutation and are…
a complete set of genetic material in a living organism
inherited alteration that changes genetic structure
Gene
a sequence of DNA or RNA which codes for a molecule that has a…
Allele
alternative forms of a gene that arise from a mutation and are…
Active Transport
The sodium-potassium pump
Passive transport
Facilitated diffusion
Uses energy to move solutes against their concentration gradie…
is one type of active transport
Substances diffuse spontaneously ... down their concentration gra…
Many hydrophilic substances diffuse through membranes with the…
Active Transport
Uses energy to move solutes against their concentration gradie…
The sodium-potassium pump
is one type of active transport
chromatin
nuclear pores
chromosomes
gene
a mass of loosely coiled threads that collect together to form…
exchange between the nucleus and the cytoplasm
DNA + histone proteins
unit of information in the DNA
chromatin
a mass of loosely coiled threads that collect together to form…
nuclear pores
exchange between the nucleus and the cytoplasm
stages of meiosis (in order)
function of s phase
function of prophase 1
define synapsis
1. Prophase... 2. Metaphase ... 3. Anaphase ... 4. Telophase
DNA replication
synapsis... ... recombination of alleles... ... chiasma
homologous chromosomes form bivalents
stages of meiosis (in order)
1. Prophase... 2. Metaphase ... 3. Anaphase ... 4. Telophase
function of s phase
DNA replication
body systems
circulatory system
circulatory system components
arteries
circulatory, digestive, endocrine, excretory, integumentary, l…
organ system that permits blood to circulate and transport nut…
arteries, veins, capillaries and a heart
carry blood away from the heart and have thick, elastic walls…
body systems
circulatory, digestive, endocrine, excretory, integumentary, l…
circulatory system
organ system that permits blood to circulate and transport nut…
(CH₂O)n
Carbon, Hydrogen, Oxygen
Monosaccharide
Glucose, Ribose, Fructose
The general formula for a carbohydrate
The only elements present in a carbohydrate
A simple sugar
Three main examples of monosaccharides
(CH₂O)n
The general formula for a carbohydrate
Carbon, Hydrogen, Oxygen
The only elements present in a carbohydrate
biosphere
biosphere components
hydrosphere
lithosphere
the sum of all ecosystems, parts of the atmosphere and surface…
hydrosphere, lithosphere, atmosphere, biota
all of the water of the planet
the surface, soil and superficial interior of the planet
biosphere
the sum of all ecosystems, parts of the atmosphere and surface…
biosphere components
hydrosphere, lithosphere, atmosphere, biota
Enzyme
Activation Energy
Lock and key model
Anabolic reaction
-protein molecules made up of long chain of amino acids... -biolo…
energy needed to make or break a bond
the substrate fits to the enzyme in the same way the key fits…
the reaction that formed bonds
Enzyme
-protein molecules made up of long chain of amino acids... -biolo…
Activation Energy
energy needed to make or break a bond
Genetic drift
Evolution
Microevolution
Macroevolution
Changes in the frequency of alleles from one generation to the…
genetic change in a population
Evolutionary change within a species or small group of organis…
Large-scale evolutionary changes that take place over long per…
Genetic drift
Changes in the frequency of alleles from one generation to the…
Evolution
genetic change in a population
When does evolution occur?
How can humans drive evolution?
What is the difference between homologo…
Variation
When heritable characteristics of a species changes
Through selective breeding
Homologous structures have a similar origin and structure, but…
a result of genetic and environmental factors
When does evolution occur?
When heritable characteristics of a species changes
How can humans drive evolution?
Through selective breeding
cell division
asexual reproduction
sexual reproduction
yeast
process in which a cell divides into two new daughter cells
process of reproduction involving a single parent that results…
type of reproduction in which cells from two parents unite to…
single-celled eukaryotes that use both asexual and sexual repr…
cell division
process in which a cell divides into two new daughter cells
asexual reproduction
process of reproduction involving a single parent that results…
Xylem and phloem
Xylem
Phloem
Bryophytes
types of vascular tissue, similar to a human's circulatory sys…
Moves water and minerals absorbed by the roots up the plant
Moves food produced in leaves to all parts of the plant
Mosses, nonvascular, terrestrial, relies on water for reproduc…
Xylem and phloem
types of vascular tissue, similar to a human's circulatory sys…
Xylem
Moves water and minerals absorbed by the roots up the plant