Term
| Evolution is both a pattern observed in nature and the process that ________________ |
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Definition
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Term
| Organisms living on Earth are modified descendants of ________________ |
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Definition
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Term
| Individuals with genes that allow them to achieve higher fitness are favored, and Favored genes become proportionally more common in the _____________ |
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Definition
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Term
| Individuals with traits better suited to their environment are more likely to ___________and ____________ |
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Definition
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Term
| what are two causes of gene mutations? |
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Definition
-Mistakes in DNA replication
-Damage from heat or chemical agents |
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Term
| Only mutations that occur in an organism’s ___________can be inherited |
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Definition
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Term
| Movement of genes from one population to another is called |
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Definition
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Term
| Differences between organisms in reproduction or survival due to chance; random is called |
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Definition
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Term
Hurricanes
Volcanic eruptions
Clearing land for development
Overhunting a species
- these are all factors that can cause |
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Definition
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Term
| explain Reproductive or Geographical Isolation (allopatric speciation) |
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Definition
| animals are seperated geographically and are no longer able to produce offspring with one another |
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Term
| when antibiotics are used _____________ passed on resistance to future generations |
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Definition
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Term
| if a bag of chicken is labeled "natural" are antibiotics allowed to be used in their production |
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Definition
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Term
| Homologies - shared similarities between species inherited from a __________ |
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Definition
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Term
| individuals with certain inherited characteristics are allowed to breed is defined as |
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Definition
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Term
| Evolution cannot occur unless there is ____________ in a population |
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Definition
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Term
| Populations with ______________ diversity often perform better |
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Definition
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Term
| ___________ is the result of a species’ inability to adapt to changes in the environment |
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Definition
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Term
| Without genetic variation, there is a limit on ____________ to generate adaptations |
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Definition
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Term
| Offspring from ______________tend to have health problems and lower reproductive success |
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Definition
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Term
| Spontaneous generation – living things appeared over time, spontaneously, from ______________ |
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Definition
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Term
| ____________ designed an experiment to test whether sterile nutrient broth could spontaneously generate microbial life |
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Definition
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Term
| Miller-Urey Experiment simulated conditions thought to be present on ______________ |
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Definition
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Term
| Chemical analysis of miller-urey experiment revealed the presence of ____________, and building blocks of ____________and ____________ |
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Definition
amino acids
nucleotides
proteins |
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Term
| later examination showed there were actually well over ______ different amino acids produced in Miller's original experiments |
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Definition
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Term
| First self-replicating molecule |
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Definition
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Term
| RNA molecules called _________ capable of catalyzing biochemical reactions |
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Definition
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Term
| Ribozymes can make complementary copies of short stretches of their own _________ or other short pieces of _________ |
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Definition
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Term
| Lipid molecules in water automatically form circle of lipids aka vesicles are called ____________ |
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Definition
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Term
| liposome can be used as vehicle for administration of _________________ |
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Definition
| pharmaceutical drugs and nutrients |
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Term
| ________________ are aggregates of organic molecules enclosed in a membrane |
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Definition
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Term
| are protobionts living? Protobiont tructures can form ______________ |
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Definition
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Term
| the first organisms were ____________, which means they had respiration without oxygen |
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Definition
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Term
| The source of O2 was likely ____________similar to modern cyanobacteria |
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Definition
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Term
| After Evolution of Photosynthesis Natural selection selected for organisms that ______________ |
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Definition
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Term
| The Oxygen Revolution Allowed organisms to ______________ |
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Definition
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Term
| If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis, what three features might we expect these organelles to contain? |
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Definition
a plasma membrane
ribosomes
DNA |
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Term
| protists are ______________ eukaryotes |
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Definition
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Term
| what was the first multi cellular organism |
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Definition
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Term
| To live on land, organisms needed to figure out what 3 things |
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Definition
How to hold up their weight
How to find water
How to reproduce |
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Term
| three Advantages of life on land |
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Definition
Lots of light for photosynthesis
Lots of nutrients, space
No predators |
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Term
First plants came to existence about ____________years ago
Descendants of _____________
Simple and ______________ |
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Definition
500 million
green algae
nonvascular |
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Term
| what Later plant adaptations enhanced reproduction |
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Definition
Flowers
Fruit
Aid by insects and animals |
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Term
| Invertebrates first to move onto land __________ million years ago |
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Definition
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Term
| the 1st vertebrates on land were |
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Definition
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Term
| what is a disadvantage of reptiles |
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Definition
| Cannot produce or retain body heat to maintain steady body temperature |
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Term
| what are three evolutionary characteristics of mammals |
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Definition
Hair and fur on mammals keep heat in
Live birth
Feed young with mammary glands |
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Term
| more than ________of all once-living species are now extinct |
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Definition
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Term
| Mass extinction - more than ____ of species go extinct within a (geologically) short period of time. |
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Definition
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Term
| It can take from ___________ million years for diversity to recover following a mass extinction |
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Definition
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Term
| when a group of organisms take on new ecological roles and form new species while Increasing in diversity of life is named |
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Definition
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Term
| Organisms are Categorized into what 3 Domains |
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Definition
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Term
| Eukarya includes what four kingdoms |
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Definition
Protista
Plantae
Fungi
Animalia |
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