WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 11, Problem 8MC
Summary Introduction
Introduction:
Polygyny is the mating system in which one male mates with many females.
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Which of the following correctly describes hermaphroditism?
A.
It is an example of sexual reproduction because it involves a male and a female.
B.
It is an example of asexual reproduction because only one individual needs to be involved.
C.
It is an example of sexual reproduction because it involves fusion of two gametes.
D.
It is an example of asexual reproduction because the offspring are genetically identical to the parent.
In species with environmental sex determination,
a. sex is determined during development as an embryo.
b. environmental conditions determine the sex of an individual.
c. hermaphroditism always occurs.
d. Both a and b are correct.
Thenumber of eggs laid by a female is called her:a.fertility.b.gonadosomatic index.c.growth form.d.rotundity.e.fecundity.
Chapter 11 Solutions
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Compared with external fertilization, in internal fertilization,a. male gametes have a higher chance to come into close proximity tofemale gametes.b. gametes are less protected against predation or other harmfulenvironmental factors.c. there is a decreased likelihood of desiccation of gametes.d. gametes come into contact only outside the mother’s reproductivetract.e. Both b and c are true of internal fertilization.arrow_forwardThe zona pellucida is important in mammals because it... a. induces polyspermy. b. induces compaction. c. inhibits implantation of the embryo until the embryo reaches the uterus. d. inhibits the formation of twins.arrow_forwardCompare and contrast sexual and asexual reproduction. Identify the most accurate statement. a. Asexual reproduction results in more offspring per mother. b. Sexual reproduction is always more costly. c. Sexual reproduction is associated with an increase in homozygosity. d. Asexual reproduction is always bad for a species.arrow_forward
- Which of the following statements is TRUE? A. Animals with indirect development requires external fertilization and an aquatic environment B. Protandry refers to species that begins life as male but later on transforms into females C. Parthenogenesis is a form of sexual reproduction di D. Animals may reproduce either sexually or asexually but never botharrow_forwardChimpanzee males have large testes for their body size. One widely accepted theory proposed to explain this feature is that it is … A. a form of male dominance display. B. a response to the large estrus swelling in females. C. necessary because chimpanzee females have low fertility. D. a consequence of sperm competition. E. attractive to female chimpanzees.arrow_forwardIs this true or false? a. Fertilization is followed by a cleavage, a period of rapid cell division without growth. b. From the process above, this results in the production of a large number of cells called blastomeres. c. In sexual reproduction, the offspring have the same combinations of genes as their parents. d. Sequential hermaphroditism occurs when an animal is one sex during one phase of its lifecycle and the opposite sex during another phasearrow_forward
- In humans, mammals and many other chordates sexual reproduction takes place by fusion of large immobile ovum and small motile sperm. This kind of sexual reproduction is: Select one: a. Isogamy b. Schizogony c. Oogamy d. Conjugation e. Polytenyarrow_forwardWhich among these insects secrete seducin by the male which both attracts andpacifies the untamed female so that a connection is established?A. Bombus lapidaries.B. Periplaneta Americana.C. Eciton burchellii.D. Nauphota cinerae. How would you classify the type of ovariole of the following orders Neuroptera,Lepidoptera, some Coleoptera, Diptera andHymenoptera?A. polytrophic type of ovarioleB. telotrophic type of ovarioleC. panoistic type of ovarioleD. both B and C Which part of the egg is closely associated to the chorion?A. yolk deutoplasmB. vitelline membraneC. nuclear cytoplasmD. periplasm What is the major control centers of oogenesis that secretes ecdysone?A. headB. fat bodiesC. ovariesD. corpora allataarrow_forwardWhat are some benefits that come with sexual reproduction? Please select all correct answers. a. Sexual individuals must reproduce twice as much. b. Sex makes species less vulnerable to parasites. c. Males and females must expend energy finding each other. d. It potentially makes dangerous alleles less dangeous.arrow_forward
- Internal and external fertilization differ in that species thata. produce an amniotic egg have internal fertilization.b. without an amniotic egg have external fertilization.c. produce live young have mammary glands.d. lay eggs are external fertilizersarrow_forwardUnchanging environments are advantageous to organismsa. that reproduce asexually.b. that undergo indirect development.c. in which fertilization occurs internally.d. that undergo pattern formation.arrow_forwardof 22 Compared to organisms that reproduce sexually, organisms that reproduce asexually are - O A. more likely to have offspring genetically different from themselves. B. less likely to require only one parent for reproduction to take place. C. more likely to use energy to find a mate. D. less likely to use energy caring for their offspring.arrow_forward
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