Animal Reproduction

On a submarine expedition to the ocean bottom, you discover a population of fish that are only female. What type of reproduction does this fish most likely use? a. sexual b. budding c. cloning d. parthenogenesis

In an animal that switches between sexual and asexual reproduction, when is sexual reproduction more likely to occur?a. when conditions for survival are favorableb. when conditions for survival are unfavorablec. when males and females find each otherd. what conditions favor sexual over asexual remains a complete mystery

Animals that have external fertilization are most likely to reproduce in which of the following areas?a. sand duneb. polar ice sheetc. shallow laked. tallgrass prairie

Which of the following structures in females is analogous in function to the vas deferens in males? a. urethra b. oviduct c. uterus d. vagina

Which of the following are similar between spermatogenesis and oogenesis in vertebrate animals? Both oogenesis and spermatogenesis ________. I) begin at the onset of sexual maturity II) result in the production of four functional haploid cells from one diploid cell III) lead to the production of gametes from germ cells IV) are complete at the time of birth a. Both I and II b. Both III and IV c. Both II and III d. Only III

Mature human sperm and ova are similar in that they ________. a. both have the same number of chromosomes b. are approximately the same size c. each have a flagellum that provides motility d. are produced from puberty until death

Among human males, both semen and urine normally travel along the ________. a. vas deferens b. seminal vesicle c. urethra d. ureter

Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the question.In the figure, which letter points to the corpus luteum?a. Ab. Bc. Cd. D

Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the question.In the figure, which structure is the site of embryo implantation?a. Bb. Cc. Dd. E

Refer to the following figure, which diagrams the reproductive anatomy of the human male, to answer the question.In the figure, which letter points to the prostate gland?a. Ab. Bc. Cd. D

Refer to the following figure, which diagrams the reproductive anatomy of the human male, to answer the question.In the figure, which letter points to the vas deferens?a. Ab. Bc. Cd. D

Why do animals lack "alternation of generations?"A) animals lack haploid cellsB) animal gametes are "2n,' not "n"C) animals are autotrophicD) animal gametes do not divide by 'mitosis, but fuse to form a zygote. 

Asexual reproduction results in offspring that are genetically identical to their parent. What type of cell process occurs to generate this type of offspring? a. mitosis b. meiosis c. cell fusion d. fertilization

What makes sexually reproduced offspring genetically different from their parents? a. genetic recombination during meiosis b. genetic recombination during mitosis c. crossing over during mitosis d. Sexual reproduction does not produce genetically different offspring