Hace 65 millones de años hubo una extinción masiva y total de grupo de especies particular. ¿ Cuál fue este grupo y cuál fue la causa de su extinción?

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only