subject
Biology, 31.03.2020 23:29 bncook

Sexual reproduction evolved multiple times in various groups of organisms. Sexual reproduction differs across the various groups, but
almost always involved meiosis followed by gamete release and fertilization. What explains why the phenomenon of sexual
reproduction was under selective pressure to evolve multiple times in groups of organisms?

ansver
Answers: 3

Another question on Biology

question
Biology, 21.06.2019 14:30
Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.
Answers: 1
question
Biology, 22.06.2019 02:00
1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area
Answers: 2
question
Biology, 22.06.2019 04:00
What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
Answers: 3
question
Biology, 22.06.2019 08:00
What is usually (but not always) related to the metabolic processes of living organisms in its organic form?
Answers: 1
You know the right answer?
Sexual reproduction evolved multiple times in various groups of organisms. Sexual reproduction diffe...
Questions
question
English, 29.10.2019 09:31
question
Mathematics, 29.10.2019 09:31
question
Mathematics, 29.10.2019 09:31
question
Arts, 29.10.2019 09:31
Questions on the website: 13722360