topic 3
asexual reproduction is different from sexual reproduction in that the off spring of asexual reproduction
are identical to the parent
85 great white sharks in cape cod represents
population
a role of an organism in its habitat is
a niche
natural gas is considered to be a ____ resource
non- renewable
what is a natural source of air pollution
volcano's
different forms of gene are called
alleles
owls that prey on mice is a
biotic factor that might limit a population of mice
what type of interaction do both organisims
mutaulism
what is the most abundant source of water on the earth
salt water
cars contribute to air pollution by
increasing the carbon dioxide in the air
both trees and ferns rely on _____ to successfully fertilize themselves
wind
immigration is similar to
birth rate
a species that influences the survival of other organisms is a
keystone species
most fresh water on earth is found
locked in ice
reduced moisture can lead to
desertification
a sheep with gray fleece shows
incomplete dominance
name two biotic factors and two abiotic factors
biotic= cactus and lizard
abiotic= sand and rocks
the water cycle, photosynthesis, nutrient cycle, and soil formation are examples of
supporting services
true or false: all ores but minerals, but not all minerals are ores
true
fresh water is a ____ made ocean pollution
human-made
what is not a stimulus that can trigger tropism in plants
temperature
a food chain describes a
strait series of connections among organisms that feed off of each other
what is an invasive species
a non-native species that is brought into the ecosystem and disrupts the ecosystem
many minerals are formed from ____ as water ____
solution and evaporates
what effect does logging have on the land
more erosion