Introduction to Life Flashcards

Flashcards covering key concepts from the Introduction to Life lecture notes.

Grow and develop, reproduce, respond to the environment, metabolize, and process energy.

Living things .

The levels of organization are .

Atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere

Organic molecules contain .

Carbon and Hydrogen together and Carbon-carbon bonds

Examples of cell organelles

Ribosomes, mitochondria, chloroplasts, Golgi complex, endoplasmic reticulum, vacuoles, nucleus, chromosomes, cytoplasm, plasma membrane

In Greek, Karyo means

kernal or nut

Homeostasis is the .

Maintenance of an internal environment within a fairly narrow range of parameters

Examples of negative feedback mechanisms are .

Blood glucose (insulin and glucagon) and body temperature (vasodilation)

An example of a positive feedback mechanism is .

Birthing contractions (oxytocin)

The three domains are .

Bacteria, Archaea, and Eukarya

The levels of hierarchical phylogeny, in order, are .

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Specific epithet

A population consists of .

All the organisms of a given species which occupy a given area

A community consists of .

All the organisms which occupy a given area

Producers are also known as .

Autotrophs

Consumers are also known as .

Heterotrophs

Ecology is the study of .

All organisms and the non-living environment

A biome is a .

Major earth ecosystems (aquatic and terrestrial)

Inclusive fitness is the .

Sum of genes passed on in offspring and kin, benefiting the individuals’ gene pool

Evolution is a .

Change in the gene pool over time

A mechanism for evolution is .

Natural Selection