WebAug 11, 2024 · The first step in reproduction is to find a partner. In most frog species, males initiate this contact via advertising their presence and readiness, loudly. Males call, usually … WebMar 21, 2024 · They’re mainly influenced by genetics, but the environment also plays a role. In the laboratory, certain pollutants like synthetic estrogens and herbicides have been …
Biology- Chapter 46 Mastering test Flashcards Quizlet
WebEggs remain fertile for about 48 hours. Sperm can live in the vaginal tract for several days. In order to determine if a bitch is pregnant, a veterinarian can manually palpate her abdomen at about 25 days after breeding. … WebA female mouse produces between five and eight offspring after mating. Although females are protective of their young, some also consume their offspring if exposed to high stress such as famine. Mice breed continually, regardless of season and climate. They reach sexual maturity 35 days after birth. grace fayen
How Do Frogs Reproduce? - IMP WORLD
WebA. some animals reproduce sexually B. fertilization can happen outside a female animal’s body C. all animals reproduce with the same mode of reproduction D. fertilization occurs inside the body for a few female animals 9. Fishes/Frogs produce thousands of offspring to _____. A. produce food for predators B. increase the chance of some surviving WebThe sperm then travels through the oviduct and reaches the infundibulum, fertilizing the egg. The hard-shelled egg develops inside the female bird. The eggs are then incubated by the bird that provides heat to the eggs with the help of its brood patch. Incubation can be done by both male and female birds. WebAug 19, 2024 · Frogs do not have to be strictly unisex since as much as 2% to 16% of given frog populations can be represented by intersex or sex-reversed individuals. Are frogs asexual? Frogs reproduce sexually by amplexus through external fertilization, meaning a male and female frog are required for reproduction. chilled water dosing system