Biological Diversity Flashcards
Species
A group of organisms that have the same basic structure.
Biological Diversity
Describes the variety of species and ecosystems on earth and the ecological processes they are part of.
Ecosystem
An environment where living things interact with other living/non-living things
Symbiosis
Association between members of different species
Commensalism
One benefits and the other doesn’t benefit or get hurt
Mutualism
Both benefit
Parasitism
One benefits and other is hurt
Interspecies competition
2 or more different species using the same limited resource
Niche
What an organism eats, where it lives, how it reproduces
Resource Partitioning
Dividing resources for coexisting species using the same limited resource while having slightly different niches
Variability
Variation within a species
Natural Selection
When the environment selects which species will survive long enough to reproduce
Non-heritable characteristics
A skill you learn
Discrete variation
A trait that you either have or don’t
Continuous Variation
A trait that varies in shapes and sizes
Asexual Reproduction
Involves only 1 individual and results in identical offspring
Binary Fission
Cells divide equally producing 2 identical individuals
Budding
Parent develops bud or smaller version of itself that eventually detaches
Spores
Similar to seeds, offsprings develops distance from parent
Vegetative Reproduction
Multicellular structures become detached from parent and grows to become genetically identical to parent
Gametes
Sex Cells
Sperm Cells
Male sex cells
Egg cells (ova)
Female gametes fertilized by sperm cells