bio exam 4
✅false
a fruit fly would be an example of k selected species-
a elephant would be an example of k selected species-✅true
✅
if a population is characterized by short life spams, many offsprings, and no
parental care the species is an- r selected species
how do you do population density?- ✅individuals divided by square area
ecology is all individuals of a species that occur in a certain area-✅false,
✅
an ecosystem is a community of organisms and their abiotic
environment- true
terrestrial ecosystems are distinguished by temperature and rainfall- ✅true
✅
what type of ecosystems are formed from calcium carbonate skeletons of
chinadarians- coral reefs
where would you expect to find photosynthetic organisms?- ✅in the photic
zone
the titanic shipwreck is in what type of ecosystem?- ✅marine
what evolutionary benefit do true roots have- ✅anchor the plant and absorb
water
what evolutionary benefit do waxy cuticle have- ✅are covering on leaves
that prevent water loss
what evolutionary benefit did vascular tissue have- ✅allow plants to stand
up to gravity
, what evolutionary benefit does stomata have- ✅allow land plants to get
CO2
✅
if a plant is gametophyte dominant and lacks xylem and phloem it would be
classified as- non vascular seedless
✅
if a plant has xylem and phloem and does not protect its embryo with a
hard casing it would be classified as- vascular seedless
if a plant has cones it would be classified as- ✅vascular seed plant
if a plant has flowers it would be classified as-✅vascular seed plant
a non vascular plant is going to be sporophyte dominant-✅false the
gametophyte is dominant.
animals likely evolved from a single celled eukaryotic species- ✅true
a mammal that lays eggs is called a- ✅monotreme
if an animal is diploblastic it belongs in-✅cnidaria
✅
an animal is triploblastic, hermaphroditic, with cephalization likely belongs
to which group- Platyhelminthes
which of the following is not shared by all animals- ✅sensory organs
✅evolution is a process that has a certain
which of the following is false-
goal
✅False, populations evolve
individuals evolve-
what is being shown below-✅allopatric speciation
what type of evolution is being shown below-✅similaire structures
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