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WorksheetsCh2a - Human Origins & Environment
Total questions: 43
Worksheet time: 22mins
All organisms are classified based on structural similarities and common ancestry. This is called:
Phylogeny
Taxonomy
Homeopathy
Ancestry
Which of the following is one of the five basic processes on which human physiology is built?
sensing the environment
adapting to the environment
altering the environment
transferring and storing energy
Which is correct for heterotrophic consumers:
must eat other organisms to obtain nutrients and energy
are found in the ocean
are called carnivores and omnivores
make food for themselves via photo- or chemosynthesis
Which is correct for autotrophic consumers:
must eat other organisms to obtain nutrients and energy
are found in the ocean
are called carnivores and omnivores
make food for themselves via photo- or chemosynthesis
What taxonomical order do humans belong to:
hominid
Homo
sapiens
primate
In this energy flow diagram, what is represented by A:
Oxygen
Nitrogen
Glucose
Carbon dioxide
In this energy flow diagram, what is represented by B:
Oxygen
Water
Glucose
Carbon dioxide
C6H12O6 + 6 O2 => 6 CO2 + 6 H2O + ATP + heat
Cell Respiration (Human)
Photosynthesis (Plant)
6 CO2 + 6 H2O + ATP + heat => C6H12O6 + 6 O2
Cell Respiration (Human)
Photosynthesis (Plant)
In the human body, energy from food is ultimately stored in what form?
heat
sugar
oxygen
ATP
Similar to human bone, ecosystems cycle this chemical element:
water
oxygen
calcium
nitrogen
Genes coding for small variations at the same spot on the same chromosome
DNA
alleles
dominants
nucleic acids
A precise taxonomic classification consisting of organisms that can breed and produce fertile offspring.
genus
species
dimorphism
population
A process that allows traits better adapted to the environment to be passed more frequently to the next generation.
natural selection
adaptation
excitation
conduction
A process by which a species becomes better able to survive and reproduce or maintain homeostasis.
natural selection
adaptation
excitation
conduction
Sequence of organic base pairs forming a chromosome:
proteins
carbohydrates
lipids
nucleic acids
Morphological differences between 2 genders of the same species.
mammal
species variation
sexual dimorphism
natural selection
Class of vertebrates with placental development and hair or fur:
hominids
primates
mammals
eukaryotes
A single or multicellular organism that has all the characteristic properties of life:
population
organelle
organism
biosphere
All representatives of a specific organism found in a defined area.
organism
population
mammal
organelle
The expected geographic range of an organism, based on its habitat requirements.
population
niche
ecosystem
biogeographical range
A(n) _______________ is an interaction between plants, animals, microbes, and their environments
habitat
niche
ecosystem
biogeographic distribution
A habitat is:
an area where an organism lives
the geographic range of an organism
the "job" of an organism where they live
an ecosytem
A niche is:
an area where an organism lives
the geographic range of an organism
the "job" of an organism where they live
an ecosytem
Humans belong in the domain_____________.
archaea
prokaryota
eukarya
animalia
Genus and species names are used to create:
domains
classes
binomial nomenclature
ecosystems
Which of these orders are characterized by opposable thumbs and stereoscopic vision?
primates
mammals
eukaryotes
hominids
Which of these families are characterized by bipedalism?
primates
mammals
eukaryotes
hominids
Humans have more than 3 direct ancestors.
True
False
"Descent with modification"
Evolution
Bonding
Adaptation
Environmental stimuli
The study of relationships among and between living and nonliving portions of the environment:
Ecosystem
Biology
Physiology
Ecology
Autotrophs that produce food molecules through photosynthesis or chemosynthesis:
consumers
producers
detritivores
secondary consumers
Heterotrophs and cannot create food molecules and have to obtain them from other organisms.
Consumers
Producers
Detritivores
Secondary Producers
Consumers that only eat producers:
carnivores
herbivores
omnivores
detritivores
Consumers that only eat consumers:
carnivores
herbivores
omnivores
detritivores
Consumers that eat producers and consumers:
carnivores
herbivores
omnivores
detritivores
Obtain their nutrients from detritus (fragments of organic and inorganic matter) and return most material to the soil
carnivores
herbivores
omnivores
decomposers
The biggest difference between energy and chemicals is that:
energy flows and chemical cycle
energy cycles and chemicals flow
there is no difference
Number of individuals that an area can support (food/water/land…)
ecosystem
biogeographic distribution
carrying capacity
population
In Homo sapiens, sapiens is the organism's:
genus
species
order
class
Where do humans belong on this energy cycling diagram?
A
B
C
D
Where do earthworms belong on this energy cycling diagram?
A
B
C
D
Where do producers belong on this energy cycling diagram?
A
B
C
D
