Which statement most accurately describes incomplete metamorphosis?
a. A larva grows and turns into a pupa, and then an adult.
b. Development is never fully complete and an immature adult is eventually hatched.
c. An egg hatches into a nymph that gradually takes on the adult form over the course of several molts.
d. Insects hatch from an egg looking like a tiny adult and they simply grow bigger with each molt.
e. There is no such thing as incomplete metamorphosis, since all eggs eventually become functional adults
c
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Cells within a biofilm excrete an adhesive matrix primarily composed of ________ but can also contain nucleic acids as well as proteins
A) lipids B) fatty acids C) monomers D) polysaccharides
The ability of humans to change their environment can allow them to overcome which of the following?
a. K-selection b. R-selection c. density-dependent growth regulations d. density-independent growth regulations
Which of the following would support the statement that bacteria represent the most fundamentally diverse group on Earth?
A) Bacteria exist in varieties with and without cell walls. B) Bacteria come in several different shapes. C) Bacteria accomplish all characteristics of life as small, single cells. D) Bacteria are metabolically diverse regarding oxygen and food requirements.
An organism has a relatively large number of Hox genes in its genome. Which of the following is not true of this organism?
A) It evolved from evolutionary ancestors that had fewer Hox genes. B) It must have multiple paired appendages along the length of its body. C) It has the genetic potential to have a relatively complex anatomy. D) At least some of its Hox genes owe their existence to gene duplication events. E) Its Hox genes cooperated to produce the positional patterns of this organism as it developed.