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- 17. State how the overproduction of offspring in each species for many generations contributed to the presence of different ear sizes.1. Which physiological process is important for the formation of offspring? C. Digestion D. Nutrition A. Assimilation 2. Sexual reproduction requires А. 3 B. Copulation individuals. В. 2 С. 1 D. 0 3. When do young ones can reproduce? It is by... B. nutrition C. maturity D. nutrition, growth and maturity A. growth 4.What is an advantage of sexual reproduction over asexual reproduction? C. Provides genetic diversity D. Produces identical offspring A. Takes less time B.Requires more time 5.Why does males frogs clutches the females during mating? A. To make a frothy nest B. Help the female expel the embryos C. To move the water in order for eggs to swell D. The pressure helps the female expel the eggs into the water 6.Which statement best describes a hermaphrodite? A.A specie with both male and female reproductive organs B. An animal that reproduce sexually C.A specie that cannot reproduce D.A specific type of plant 7.What is the process by which a new organism is formed from the joining…2b. In what way does sexual reproduction help increase the number of species on Earth? It allows population to become genetically diverse.
- 6. The American toad mates in early summer, and the Fowler's toad mates in late summer. Due to seasonal changes, an American toad attempts to mate with a Fowler's toad. What would be the outcome? The offspring is not likely to survive. O The toads will not be able to successfully mate. The offspring would be sterile. The offspring may be born with a deformity.1. Describe the three different types of asexual reproduction. How does Daphnia pulex case study, show a good example of how some species switch between asexual and sexual reproduction? 2. Compare and contrast gametogenesis of sperm and eggs in mammals. In your comparison, describe three similarities and three 3. Compare and contrast external versus internal fertilization. Describe at least three major differences. 4. What is meant by 'sperm competition'? What is 'second male advantage'? Describe the case study of Drosophila melanogaster in your text. 5. Describe the difference between oviparous, viviparous, and ovoviviparous. What evolutionary pressures would faxor one form over tho othor?3. Suppost you choose the following F1 worm to transfer: a wild-type hermaphrodite that already contains fertilized eggs (called a gravid hermaphrodite). a. What are the potential sources of sperm that could have fertilized the eggs in this hermaphrodite? b. Keeping in mind the potential sources of sperm, could the F2 offspring ratios be the same or different compared to self-fertilization of a F1 wild-type hermaphrodite? С. Is a mistake like this a potential problem for our experiment? Why or why not?
- 1. The highest survival rate was observed during _____ interval. 2. The likelihood that a 0-day egg will reach 17 days is ______. 3. The life stage with the highest mortality is ________.1. Compare How does the gestational period of humans compare with that of the other species listed in the table?13. Write ONE short paragraph that explains each of the following points: • The type of fertilization of an animal is different between animals that live on land and those that live in water. • The number of eggs produced by an animal is different between animals that have internal fertilization and those that have external fertilization. • The number of young that survive differs between animals that have internal fertilization and those that have external fertilization. The number of young that survives differs between animals that give parental care and those that do not.
- 1. How do the starfish reproduce? a. The advantage of dividing as a form of reproduction. b. The disadvantages of dividing as a form of reproduction.1. In the realm of biology, what is parental investment theory? Do non-present 'parents' exhibit parental investment? a. Describe the different ways/forms by which female and male sea turtles exhibit parental investment.7: Gorillas exhibit sexual dimorphism, which means ... Group of answer choices A: the males are less sexually active than the females. B: the males are larger than the females. C: the males and females are the same size. D: they don’t enjoy sexual relations like Bonobos do. E: they tend to have 1 male and 1 female baby in each pregnancy.
