Ordena de uno a seis, según el orden cronológico en el que se presentaron los siguientes eventos.
aparición de la vida
aparición de los eucariotas
creación de la tierra
aparición de metabolismo aerobio
aparición de la fotosíntesis
primeras bacterias heterótrofas anaerobias.
Answers: 2
Biology, 22.06.2019 03:00
In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.
Answers: 3
Biology, 22.06.2019 03:30
Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?
Answers: 3
Biology, 22.06.2019 09:00
Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land
Answers: 3
Biology, 22.06.2019 11:10
Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.
Answers: 2
Ordena de uno a seis, según el orden cronológico en el que se presentaron los siguientes eventos....
Geography, 21.04.2020 17:33
Mathematics, 21.04.2020 17:33