A | B |
Whose experiments in 1668 disproved spontaneous generation, showing that organisms arise only from other organisms? | Francesco Redi |
What are the characteristics of living things? | organization into cells, processes that are fueled b energy, growth & development, reproduction, response & adaptation |
What makes up molecules? | atoms |
What are the components of cells? | molecules |
What can cells be organized into? | tissues |
What can tissues be organized into? | organs with specific functions |
What makes up an organism? | organ systems |
What form populations? | organisms |
What form communities? | populations |
What do fossils of extinct species show us? | life has changed over time |
What did Darwin explain? | how competition for resources could account for the evolution of species |
What must humans depend on other organisms for? | food, medicine, clothing, fuel, and shelter |
What percent of the Earht's mass is the biosphere? | less than 1% |
What did the Italian physician Francesco Redi use to disprove spontaneous generation? | maggots(maggots on rotting meat came from flies) |
What did the scientific revolution encourage? | the study of the natural world and the development of new ideas |
What are examples of energy? | sound, light, chemical |
What are examples of organisms responding to environmental stimuli? | growth, migration, color changes, movement |
How does adaptation allow for? | a way for an entire population of organisms to respond to long-term changes in their surroundings and are passed from generation to generation |
What is the fundamental unit of life that exhibit all of the characteristics of living things? | cells |
What is an example of mutualism? | crabs live on anemones for protection and the anemone eat the dropped food from the crabs |
What is an example of cummensalism? | bromeliads live on the tree trunk benefitting from the height |
What is an example of parasitism? | tracheal mite lives and breeds in the tracheal tubes of the honeybees, obstructing the flow of oxygen and killing the bee |
What is biotechnology? | the use of organisms to produce things that people need |
How do scientists test hypotheses? | scientists design experiments in which they control all variables except the one being tested |
What must scientific results be? | repeatable |
How is scientific research often funded? | public agencies |