Lamarck's hypothesis includes the concept that new organs in a species appear as a result of

the actions of organisms as they use or don't use body parts

Lamarck proposed that organisms

have a tendency toward complexity and perfection.

Darwin's theory of evolution is based on the idea(s) of

natural variation and natural selection

Which of the following was one of the first clues of evolution observed by Darwin & Wallace?

Species in different locations had slightly dift traits.

Which concept is NOT included in the modern theory of evolution?

transmission of acquired characteristics

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Evolution

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Answers

1
Lamarck's hypothesis includes the concept that new organs in a species appear as a result of
the actions of organisms as they use or don't use body parts
continual increases in population size
the natural variations already present in a population.
an unchanging local environment.
2
Lamarck proposed that organisms
have a tendency toward complexity and perfection.
belong to species that never change.
inherit all of the adaptations they display.
have a tendency to become more simple over time
3
Darwin's theory of evolution is based on the idea(s) of
transmission of acquired characteristics
natural variation and natural selection
use and disuse
a tendency toward perfection
4
Which of the following was one of the first clues of evolution observed by Darwin & Wallace?
DNA of similar organisms was similar.
Fossils of extinct organisms indicated common ancestry.
Embryos of different species were remarkably similar.
Species in different locations had slightly dift traits.
5
One adaptation that Darwin noticed on Galapagos Island tortoises was...
difference in shell markings.
similarity in tortoise embryo.
variation in neck length.
differences in number of eggs in the tortoises' nests.
6
In the following phylogenetic tree, which two organisms would have the LEAST similar DNA?
snake and iguana
snake and lizard
snake and fish
snake and human
7
In the following image, camouflage is an example of
phylogeny
artificial selection
common descent
an adaptation
8
One scientist who attempted to explain how rock layers for and change over time was
Jean-Baptiste Lamarck.
Thomas Mathus
James Hutton
Charles Darwin
9
Which concept is NOT included in the modern theory of evolution?
descent with modification
transmission of acquired characteristics
competition among members of a population
natural selection
10
The number and location of bones of fossil vertebrates are similar to living vertebrates. Why?
the inheritance of acquired traits
the needs of organisms
the struggle for existence
a common ancestor
11
The following image depicts
natural selection
common descent
inheritance of acquired traits
artificial selection
12
An example of a vestigial organ is
the similar bones in the forearms of mammals
DNA similarity among related organisms.
the appendix in humans
the liver in humans.

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