|(A) Humans have some rather unique features to our reproductive behavior. One strange one, relative to other animals, is female menopause. What might be the selective advantage to this feature? (B) What selective forces may have led to the evolution of menopause in humans?

Q: Which of the following is a function of the reproductive system? (A) to produce all of the body's…

A: The reproductive system has mainly four functions. First one is to produce egg and sperm cells,…

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Q: Briefly describe follicular development during the human ovarian cycle and how this is coordinated…

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Q: Although a virus is very virulent now, it will eventually evolve to become much less virulent.…

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Q: Which statement about menopause is  most correct? A. Menopause has to be adaptive because…

A: C. Several hypotheses for menopause as an adaptation have been proposed, but more evidence is…

Q: Which of the following has three germ layers? (a) morula  (b) gastrula (c) blastula (d) blastocyst…

A: Answer is b.)  gastrula.

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Q: A21) The type of reproduction that produces offspring that are genetically different from either…

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Q: As described in the Biology and Society section, some species (including some endangered species)…

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Q: Which of the following scenarios is an example of sequential hermaphroditism? Hamlet fish…

A: The scenario that is an example of sequential hermaphroditism is: When male striped maple trees are…

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A: Answer is d.)facilitate the penetration of egg coverings by the sperm.

Q: How would mutations that completely ablate the function of the androgen receptor impact the…

A: Introduction  Humans have 23 pairs of chromosomes; 22 pairs are called as Autosome while 23rd pair…

Q: How many negative feedback happen during parturition cycle (NOT uterine contraction cycle)? Exclud…

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Q: Identify one factor, besides genetic factors, that could influence the development of human…

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Q: Why is reproduction important in animals? How does process of sexual reproduction in animals differ…

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Q: Which of the following statements about reproduction are true? I-Fertilization only occurs in sexual…

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Q: nfertility is defined as the inability to get pregnant despite having frequent, unprotected sex for…

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Q: Which of the following events does NOT occur initially during a female reproductive cycle? *…

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Q: Explain in details the ovulation period in female mammals... Example human being

A: The Duration of Female Reproductive cycle is typically ranges from 24 to 35 days. During…

Q: In male mammals, excretory and reproductive systems share(A) the vas deferens.(B) the urethra.(C)…

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Q: What mechanisms have evolved in animals with(a) external fertilization and (b) internal…

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Q: In humans, the development of fertilised egg takes place in the: (a) ovary (b) testis (c) oviduct…

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Q: Why do most animals reproduce sexually rather than asexually?

A: Sexual reproduction is the process by which a new organism is created from the sex cells or gametes…

Q: define asexual reproduction and describe two methods of asexual reproduction in animals

A: Asexual reproduction is a kind of reproduction in which there is no fertilisation since only one…

Q: must have certain basic omical structures in order to reproduce sexually. Choose nimal, identify its…

A: All nematodes lay eggs. Syngamy, or cross fertilization, is common in most nematodes.

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Q: - Which organs do mammals and butterflies have in common in the reproductive tract?  - What organs…

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Q: What is evidence that menopause is an adaptive cooperative trait? In humans, the presence of…

A: Introduction When you have gone 12 months without a monthly period, menopause has set in. Hot…

Q: Which of the following specifically describes ovoviviparity? Animals are born by live birth Animals…

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Q: What is the one defining characteristic that determines a mammal?

A: A) Well evolved creature, (class Mammalia), any individual from the gathering of vertebrate…

Q: are the essential similarities and differences between the development of sperms and eggs in mammals

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Q: What are some benefits that come with sexual reproduction? Please select all correct answers. a.…

A: Reproduction is a biological process possessed by living organisms to promote their number in nature…