Sci Gr 10 Ch 1
Terms
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- All parts of the planet that are inhabited by living things
- Biosphere
- What are the 3 main parts of biosphere
-
Land
Bodies of water
Atmosphere - Community of living things with all the nonliving things in the environment that support the living community
- Ecosystem
- All the earths ecosystems make up the
- Biosphere
- Individual living things
- Organisms
- Basic unit of structure and function
- Cells
- What part of the cell directs all activities of the cell
- Nucleus
- Basic building blocks of all materials
- Atoms
- Chemical responsible for inheritance
- DNA
- Passing on of traits from parent organisms to offspring
- Inheritance
- Units of inherited information
- Genes
- Distinct form of life
- Species
- Number of known species
-
1.5 million
New ones discovered daily - What part of the earth has the most diverse species
-
A tropical rain forest
Like in the Yucatan Peninsula in Mexico - Broadest category to classify life forms
- Domain
- How many domains are there and what are they
-
3
Archaea
Bacteria
Eukarya - Means single cell
- Unicellular
- Which of the 2 domains are mostly unicellular
-
Archaea
Bacteria -
Cells without a nuclei are called
Prokaryotic or Eukaryotic - Prokaryotic cells
- Next level after Domain
- Kingdoms
- What are the 4 kingdoms of Eukarya
-
Protists
Fungi
Plants
Animals -
What kind of cell have a nucleus that separates DNA from the rest of the cell
Prokaryotic or Eukaryotic - Eukaryotic
- Means made of many cells
- Multicellular
- To perform complex functions, parts of the body are organized into groups that are based on the arrangement and interactions of its part called
- Systems
- Where do plants get their necessary chemicals
-
Soil
Water
Air - 5 levels of organization of multicellular organisms
-
Cell
Tissue
Organ
Organ system
Organism - What are responsible for family resemblance
- Genes
- What is the inherited information that allows organisms to reproduce with their own kind
- DNA
- Process by which plants make food
- Photosynthesis
- What does the plant need from the environment for photosynthesis
-
Water and nutrient from soil
Carbon dioxide from air
Energy from sunlight - What is the byproduct of photosynthesis
- Oxygen
-
Energy flows into an ecosystem as what?
Energy exits an ecosystem as what? -
In - Sunlight
Out - Heat - Who are an ecosystems "producers"
- Plants and photosynthetic organisms
- An organism that produces the food upon which an ecosystem depends is called a
- Producer
- Who are an ecosystems "consumers"
- Animals and organisms that eat (consume) food made by the producers
- Whenever an organism performs work, it converts some of its energy supply to what
- Heat
- What are 2 ways an organism cools itself
- Sweating and panting
-
Ability of an organism to regulate its internal environment, despite changes in the external environment
(steady state) - Homeostasis
- Inherited trait that helps an organisms ability to survive and reproduce in its environment
- Adaptation
- Localized group of organisms belonging to the same species
- Population
- A variation in an organism that helps it live longer and produce more offspring than organisms without the variation
- Natural selection
-
The evoluation of a darker colored beetle to keep it hidden is an example of:
a. adaptation
b. population
c. natural selection
d. homeostatis - Adaptation
- Generation to generation change in the proportion of different inherited genes in a population
- Evolution
- A biologist studying interactions between an animal species and it environment is studying biology at what level
-
cell
organism
biosphere
ecosystem - Which is not an organism
-
oak leaf
spider
elephant
bacterial cell -
Which domain do humans belong to
a. animals
b. eukarya
c. archaea
d. none - DNA is found in the nucleus of eukaryotic or prokaryotic cells
- Eukaryotic
-
Which product of photosynthesis is used by consumers
a. water
b. carbon dioxide
c. food - Food
-
Which of the following has to happen for the other 3 to occur:
a. natural selection
b. adaptation
c. genetic variation
d. evolution - Natural selection