What was one of the innovations of the Reptilia? A) Being able to live outside of water. B) Producing a waterproof egg. C) Powered flight. D) Producing a spinal cord. E) Producing pharyngeal gill slits. B) Producing a waterproof egg.
Which of the following statements about mammals is most accurate...
Bio 114 Exam Questions and Complete
Solutions
What was one of the innovations of the Reptilia?
A) Being able to live outside of water.
B) Producing a waterproof egg.
C) Powered flight.
D) Producing a spinal cord.
E) Producing pharyngeal gill slits. ✅B) Producing a waterproof egg.
Which of the following statements about mammals is most accurate?
A) Mammals were the first to evolve a post-anal tail.
B) The Monotremes are egg-laying mammals.
C) Among the Chordata, mammals are the only ones to not have pharyngeal gill slits.
D) All mammals are protostomes.
E) Only some mammals are protostomes. ✅B) The Monotremes are egg-laying
mammals.
Which of the following is typical of the Nematoda? ✅C) They have a thick, protective
cuticle.
What is the primary difference between the lophotrochozoans and ecdysozoans? ✅E)
The lophotrochozoans grow by adding segments and the ecdysozoans grow by
shedding an exoskeleton.
Which of the following is true regarding all animals?
A) Like plant cells, they have a thin, flexible membrane.
B) They produce starch as an energy storage product.
C) All animals show locomotion in the adult stage of their life.
D) They all have chloroplasts.
E) They are all autotrophs. ✅A) Like plant cells, they have a thin, flexible membrane.
Which of the following animal phyla does not have a specialized area in the body where
all cells are created?
A) Platyhelminthes.
B) Mollusca.
C) Chordata.
D) Porifera.
E) Echinodermata. ✅D) Porifera.
Which of the following is created by the endoderm?
A) Skin.
B) Respiratory structures (like lungs).
C) The lining of the digestive tract.
, D) Digestive organs, like the liver.
E) Two of the above are correct. ✅C) The lining of the digestive tract.
Which of the following is a trait of the Annelida?
A) They are deuterostomes.
B) They are bilaterally symmetrical.
C) They are diploblasts.
D) They have a fibrous notochord.
E) They have no germ layers. ✅B) They are bilaterally symmetrical.
Imagine discovering what you think is a new species. In the process of getting other
scientists to acknowledge and accept your finding as a brand new species, you must
describe the traits the organism has and where it fits taxonomically. In your submission,
you describe the animal as being a eucoelomate, having bilateral symmetry, growing by
adding repeated, identical segments to its body, and being a protostome.
To which phylum could the animal belong?
A) Porifera. B) Cnidaria. C) Platyhelminthes.
D) Mollusca.E) Chordata.
What is another term that can be used to describe this organism?
A) "Second-mouth".
B) Diploblastic.
C) Acoelomate.
D) Ecdysozoan.
E) Lophotrochozoan. ✅D.) Mollusca
E.) Lophotrochozoan
Which of the following statements about population growth is most accurate?
A) A population always grows larger until it reaches K then stays at that level.
B) K for a population stays the same over time.
C) Regardless of population size, the population always grows toward K.
D) The life table model of predicting population size incorporates K as a limiting factor.
E) Species with a Type I survivorship curve typically don't reach their K. ✅C)
Regardless of population size, the population always grows toward K.
Which of the following is a proper definition of carrying capacity?
A) It is the number of individuals of a particular population the environment can support.
B) It is the number of individuals of a population that can live in a particular
environment.
C) It is the point at which the number of individuals entering the population is balanced
by the number that are lost due to resource limitations.
D) A and B are correct.
E) A, B, and C are correct. ✅E) A, B, and C are correct.
Which of the following is typical of a species with high fecundity?
A) They will also have relatively high survivorship.
B) They will likely have a Type III survivorship curve.
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