Biology 1409 Test #1 || Questions and 100% Accurate Answers.
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Course
Biology 1409
Institution
Biology 1409
Be able to list, in sequence, the hierarchical organization of life correct answers 1. Biosphere-- Flordia
2. Ecosystem-- Flordia Everglades
3. Community-- All Organisms in the Wetlands Eco
4. Population-- All Alligators living in the wetlands
5. Organism-- An American Alligator
6. Organ Syste...
Biology 1409 Test #1 || Questions and 100% Accurate
Answers.
Be able to list, in sequence, the hierarchical organization of life correct answers 1. Biosphere--
Flordia
2. Ecosystem-- Flordia Everglades
3. Community-- All Organisms in the Wetlands Eco
4. Population-- All Alligators living in the wetlands
5. Organism-- An American Alligator
6. Organ System--Nervous System
7. Organ-- Brain
8. Tissue--Nervous System
9. Cell-- Nerve Cell
10. Organelle-- Nucleus
11. Molecule-- DNA
Community correct answers The entire array of organisms in an ecosystem
EX.) In a Flordia wetland, there are alligators, snakes, herons, egrets, myriad insects, trees, and
other plants and fungi, and microorganisms, Each unique form of life is called a species
Population correct answers Includes all the individuals of a particular species living in an area
Ecosystem correct answers Consists of all the organism living in a particular area, as well as the
physical components with which the organisms interact, such as air, soil, water, and sunlight
Know how the energy flows through an ecosystem correct answers Producers: plants provide the
food. Leaves take up CO2 from air; roots absorb H2O and minerals from soil
Consumers: eat plants and other animals
Decomposers: act as recyclers, changing complex matter into simpler chemicals that plants can
absorb and use. Worms, Fungi, and bacteria return chemicals to the soil.
LOOK AT DIAGRAM
Two major processes of an ecosystem correct answers 1. The recycling of chemical nutrients
from the atmosphere and soil through producers, consumers, and decomposers back to the air
and soil.
2. The one-way flow of energy through an ecosystem, entering as sunlight and exiting as heat.
Identify the domains that Prokaryotes belong correct answers Bacteria: the most diverse and
wide-spread prokaryotes
Archaea: live in earth's extreme environments, such as salt lakes and boiling hot springs
-First to evolve
, -Simple
-Smaller than Eukaryotic
Describe the characteristics of domain Bacteria correct answers Most diverse and wide spread
prokaryotes
Describe the Characteristics of the Kingdom Animalia correct answers -Animals obtain food by
eating other organisms
-Have eukaryotic cells
- single-cell protist
Kingdom Plantae correct answers Consist of plants, which produce their own food by
photosynthesis
Kingdom Fungi correct answers A diverse group whose members mostly decompose the remains
of dead organisms and organic wastes and absorb the nutrients into their cells
Kingdom Animalia correct answers Animals
Know/ Understand Darwin's Theory of Natural Selection correct answers A process in which
individuals with certain inherited traits are more likely to survive and reproduce than are
individuals that do not have those traits.
Darwin realized that numerous small changes in populations as a result of natural selection could
eventually lead to a major alterations of species
Two Observations of Natural Selection correct answers - Individual Variation:
-Overproduction of Offspring:
Individual Variation: correct answers individuals in a population vary in their traits, many of
which are passed on from parents to offspring
Overproduction of Offspring correct answers a population can produce far more offspring than
the environment can support
Two Inferences of Natural Selection correct answers - Unequal reproduction success:
-Accumulation of favorable traits over time:
Unequal reproduction success: correct answers individuals with heritable traits best suited to the
environment are more likely to survive and reproduce than less well-suited individuals
Accumulation of favorable traits over time: correct answers As a result of this unequal
reproductive success over many generations, an increasing proportion of individuals in a
population will have the advantageous traits
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