Affiliate Marketing Secrets

1. Organisms with overlapping niches probably have which type of relationship?
a. commensal
b. competitive
c. mutualistic
d. parasitic
2. Analyze each of the sequences in the primary succession of species colonizing a newly formed volcanic island and select the option in the correct order.
*** is it: bare rock, lichens, small annual plants, perennial herbs and grasses, shade tolerant tree?!
if its not that order…plz give me the right order….thnxx!!
3. How does an enzyme influence a biological reaction?
a. It increases the net energy difference between reactants and products.
b. It decreases the activation energy necessary to initiate the chemical change.
c. It increases the kinetic energy of reactants, thereby increasing their tendency to collide.
d. It decreases the kinetic energy of reactants, enabling them to undergo chemical change more easily.
4. A student set up four test tubes containing starch solution in which to perform starch digestion. Supplies included amylase (enzyme that digests starch) and an incubator. In which tube listed starch digestion proceed most quickly?
a. Tube 1: No amylase, room temperature (25*C)
b. Tube 2: No amylase, body temperature (37*C)
c. Tube 3: Amylase present, room temperature (25*C)
d. Tube 4: Amylase present, body temperature (37*C)
5. What occurs during the process of meiosis in humans that cans lead to a child which the conditions of Down Syndrome?
a. production of a duplicate chromosome set
b. production of gametes which are diploid
c. production of gametes with one duplicate chromosomes
d. production of gametes of gametes with one duplicate sex chromosome.
6. Which of the following is the explanation of why bird wings and reptile forelegs are evidence of evolution?
a. Similar functions point to a common ancestor.
b Analogous structures indicate a common ancestor.
c. Vestigial structures point to a common ancestor.
d. Homologous structures point to a common ancestor.
thnx so much guys…nd plz no comments that does not relate to this ok! <3