Living Things
All living things REQUIRE
food, water, shelter, & oxygen
what biome do we live in?
temperate deciduous forest
the primary source of the energy that flows through food webs on land...
a. producers
b. oxygen
c. sunlight
d. autotrophs
c. sunlight
Which of the following habitats has the most biodiversity?
a. swamps
b. coniferous forest
c. rain forest
d. banana plantation
c. rain forest
Julia saw a robin raising 2 blue jay chicks. Julia now thinks that it is possible for a robin to be a biological parent to blue jays. Is Julia's assumption correct?
a. No, it is not possible because a robin can only pass robin genes on to its offspring.
b. Yes, it is possible for one species of animal to give birth to another species.
c. No, it is not possible because robins do not like blue jays.
d. Yes, it is possible if the robin's eggs were fertilized with blue jay sperm.
a. No, it is not possible because a robin can only pass robin genes on to its offspring.
in a living organism, a group of similar cells that perform a common function is called _________.
a. organs
b. tissue
c. platelets
d. nerves
b. tissue
plants with thick leaves that allow them to store water are found.....
desert
which is the correct order of levels of environment from smallest to largest?
a. organism, population, community, ecosystem, biosphere
b. organism, population, community, biosphere, ecosphere
c. organism, community, population, ecosystem, biosphere
d. community, population, ecosystem, organism, biosphere,
a. organism, population, community, ecosystem, biosphere
habitat destruction caused by human events will likely result in:
a. elimination of exotic species only
b. loss of biodiversity
c. increase in number of species
d. reduction of harmful bacteria
b. loss of biodiversity
Organisms that have adapted to the environment survive, but less well adapted organisms do not survive.
Natural Selection
6 characteristics of living things
have cells
have DNA
reproduce
use energy
respond to stimulus
grow & develop
biome with nutrient poor soil but home to greatest diversity
tropical rainforest
humans and dogs often have a relationship in which the dog provides protection and companionship in return for food and shelter. this is an example of:
a. commensalism
b. parasitism
c. competition
d. mutualism
d. mutualism
which of the following statements best describes a tropical rainforest?
a. coniferous trees and little rainfall
b. permafrost and mosses
c. deciduous trees and canopy
d. diverse plant and animal life (great biodiversity)
d. diverse plant and animal life (great biodiversity)
Just like animals, plants are made of cells, tissues, and organs. Most plants have all of the following organs EXCEPT
a. roots
b. leaves
c. heart
d. reproductive organs
c. heart
the classification model that shows shared or common characteristics between organisms
cladogram or branching tree diagram
which of the following is NOT an example of abiotic factors?
a. trees, hills, and rivers
b. water, soil and temperature
c. algae, fish and bears
d. water, food, and population
c. algae, fish and bears
what is the primary function of decomposers in an ecosystem?
a. they absorb sun energy and make their own food
b. they are parasites - attaching to host organisms and absorbing the nutrients until the host dies
c. they break down dead organisms into substances that are recycled in ecosystems
c. they break down dead organisms into substances that are recycled in ecosystems
the availability of resources that can support a community is called:
limiting factors
In a living organism, what is a cell?
a. a group of cells that regulates the body's responses to internal and external stimuli
b. a building block of all organisms; the smallest unit that can carry on the activities of life
c. a group of similar cells that perform a common function d. the shell or skin of an organism
b. a building block of all organisms; the smallest unit that can carry on the activities of life
the largest or broadest classification used to classify organisms
domains
in which area are you most likely to find plants that can tolerate water that has a constantly changing salt content?
a. marsh
b. swamp
c. estuary
d. wetlands
c. estuary
a bird builds a nest in a tree in order to lay eggs. the bird raises its family and the tree continues to grow. this is an example of...
a. parasitism
b. mutualism
c. commensalism
d. symbiosis
c. commensalism
The environment of a particular species of rabbit is becoming colder over time. Rabbits with which of the following traits will best be able to survive and reproduce and what is the process called?
a. shorter legs and evolution
b. thicker fur and natural selction
c. longer ears and natural selection
d. longer whiskers and extinction
b. thicker fur and natural selection
4 stages of natural selection
1. overproduction
2. genetic/inherited variation
3. struggle to survive
4. successful reproduction