Fact-facilitates chromatin transcription
Biogeography-the study of the past, present and distribution of species
Gradualism- That most speciation is slow, uniform and gradual.
Uniformitarianism theory- The theory that geologic
1. Ecology-the study of how organisms interact with each other and with their
2. Population- A group of individuals of the same species living in the same
geographic area at the same time.
3. Community-All of the species that inter
Ecology the scientific study of interaction between organisms and between
organisms and their environment or surroundings.
o Primary goal is to understand the distribution and abundance of
Levels of Ecology
An individual things t
Behavioral ecology is the study of how organisms respond to particular
stimuli from their environments
Ecologists ask questions and test hypothesis at two fundamental levels
o Want to know how it happens and why
o Proximate causation explains how actions
Chapter 28 Phylogenies and the History of Life
The evolutionary history of a group of organism is called its phylogeny.
A phylogenetic tree is a graphical summary of this history, showing the
ancestor-descendant relationships among populations, species, o
1. Phylogeny- The evolutionary history of a group of organisms is called its
2. Ancestral Trait- Is a characteristic trait that existed in an ancestor
3. Derived Trait- Is one that is modified form of the ancestral trait found in a
Chapter 53 outline
53.1 An introduction to behavioral Ecology
o Proximate causation: Experiments and observations focus on
understanding how specific gene products, neroun activity, and
hormonal signals cause behavior.
o Ultimate Causation: R
55.1 Species Interactions
o Two interacting species may each experience a net fitness cost (-) or
benefit (+) from the interaction. These costs and benefits depend on
the conditions that prevail at a particular time and place and may
change through time.
o All of the species that interact with each other in a certain area.
o The ability of an individual to produce viable offspring relative to others
of the same species.
o A symbiotic relationship in which one organism benef
Name: _ Date: _
OPTIMUM ENZYME ACTIVITY
Background Info: Biochemistry is the study of the m any chemical reactions that
happen inside living things. The basic idea behind all the complicated and diverse
reactions that take place in living cells is this: u
Hereford High School
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