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Introduction to Bio

Chapter 1... section 1

Biology means ________ and list things that are studied in biology- page 4 bio means life and logos is study ( biology= science of life)... origins and history of life, structure of living things (anatomy), how living things interact with each other ( ecology), how they function ( physiology)
What do biologist do as part of their career? (5 things) study diversity of life ( learning about the organisms may help protect them), Research diseases (develop vaccines, look for new medicines), develop technologies such as bionic hands, improve agriculture and seek ways to prevent extinction.
Characteristics of living things include the following list ( page 7) made of one or more cells, has organization (each organized structure has a specific function), grows and develops, reproduces, responds to stimuli, requires energy, maintains homeostasis, and has adaptations that evolve over time
What are to possibilities for organisms when it comes to their cells? they can be unicellular ( 1 cell) or multicellular ( many cells)
The basic unit of life is a/an cell
Structures in organisms have a relationship with their.... FUNCTION ( each organized structure has a specific function...the structure of an anteater's snout relates to its functions... a container for an anteater's long tongue
What life characteristic is more important to a species than an individual reproduction
reactions to internal or external stimuli are called responses
When organisms take in food or make their own food this is because.... Energy is required for all life processes
keeping internal conditions stable is a process called homeostasis
When someone perspires to prevent their body temperature from rising too high their body is maintaining HOMEOSTASIS
inherited changes that occur over time that help a species survive are called adaptations
adaptations come from a process called ? .... it occurs over time Evolution
a group of similar organisms that breed with one another and produce fertile offspring ( able to produce another generation) species
when the last member of a species dies, the species becomes.... extinct
something in an environment ( external or internal) that causes some type of reaction by the organism stimulus
blood in the environment of a shark a stimulus
the shark moving toward blood in the environment and attacking any organism present response
metamorphosis or a biology student going through puberty would be an example of development
natural changes that take place during the life of an organism development
addition of mass to an organism ( making new cells in a multicellular organism)... unicellular organismss also grow ( but have a limited size before needing to reproduce) growth
changes in a population over time is called .... this is how an organisms gets ? to help them survive better in their environment evolution..... adaptations
What are two things that happen to the energy taken in by organisms? energy is used for life processes ( growth, development, maintaining homeostasis, reproducetion etc.)... most of the energy is radiated to the environment as heat
processes to restore the normal state homeostasis
Created by: shemehl



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