Chapter One Exam Flashcards
Part Two
What is required by all organisms for the manufacture of DNA?
Phosphorus
what species’ offspring are more likely to survive?
K selected
In the carbon cycle, plants remove carbon from the atmosphere through the process of what?
photosynthesis
What are the seven biomes?
Ice, tundra, desert, mountain, boreal forest, temperate forest, grassland, Mediterranean scrub, tropical rainforest, tropical seasonal forest, savanna, tropical scrub
a plant harnessing solar energy from the sun is an example of?
energy flow
how do you calculate population growth rate?
you subtract the death rate from the birth rate
what is the difference between interspecific and intraspecific competition
Interspecific is different species competing and intraspecific is the same species competing
the sensitivity of a species to changes in the environment is often what makes it a useful _______ for the management of an ecosystem
indicator species
a tick attaching to a human to feed and harms the human in the process is a ______ relationship
Parasitic
What is a pioneer species?
a species that moves into an area at later stages of ecological succession
what is the number one reason for the endangered status of many species
habitat destruction
is a long life a characteristic of an r-related species?
No, r-related species have a short life span
why is earth a closed system in regards for matter
because matter really never leaves or enters earth. “because matter remains in the biosphere”
name the 4 things that influence population size
predators, disease, sufficient habitat, presence of pathogens
what population growth produces an S curve when plotted over time?
logistic