Vocabularia
Preserved remains, impression, or trace of any once-living thing from a past geological age
fossil
The process in which organisms better adapted to their environment tend to survive and produce more offspring than others in their population (2 words)
natural selection
The Earth is this many years old
4.6 billion years old
Type of selection when females are choosy (two words)
sexual selection
This kind of evidence shows that there were different kinds of organisms in Earth's deep past
fossil
Selective breeding of domesticated plants and animals to encourage the occurrence of desirable traits (2 words)
artificial selection
When natural selection occurs, this happens to the amount of variation
decrease
The oldest fossils have this kind of structure
(simple / complex / both / neither)
simple
Genetic drift has the biggest effect on this size population
small
This kind of structure is similar in form but may have different functions in different species, showing that these species are closely related
homologous
An inherited trait that increases an organism’s chance of survival and reproduction
adaptation
Natural selection acts on individuals but causes changes in...
populations
This evidence shows us the Earth has changed over time (two words)
fossil record
"Evolution by accident" (2 words)
genetic drift
This kind of structure has the same function in different species even though these species are distantly related
analogous
differences between individuals of a population or species
variation
Lamark said that individuals can aquire this AND pass it on to their offspring.
traits
The first organisms to do photosynthesis
(not on exam)
bacteria
When a small group with less variation colonizes a new area (2 words)
founder effect
In an example of evolution happening quickly, bacteria can develop resistance to this
antibiotics
An organism’s ability to survive to reproductive age, find a mate, and produce viable offspring (2 words)
biological fitness
Those who have this kind of trait are more likely to survive
advantageous
The Era where humans first appeared
(not on exam)
Cenozoic
17-year and 13-year cicadas are two different species due to this type of isolation
temporal
The distribution of similar organisms that evolved independantly on far-away continents.
biogeography