How is it possible that over 20 million living organisms on the planet

are made up of only 5 types of nucleotide bases arrange in long chains

Which process do plants try to avoid self pollination

Crossing over would most likely occur during which stage of the cell cycle? when DNA is being replicated when homologous chromosomes line up in pairs when centromeres are separated when cytokinesis begins

What cells are haploid? Group of answer choices bacterial cells all cells gametes somatic cells

What substances acts as a buffer in natural water

The famous Miller-Urey experiment was conducted in 1953. This experiment tested the hypothesis that primitive Earth conditions were favoriable for creating complex organic compounds form simple compounds.

Did alexander graham bell what to college

How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.

What effect of acid rain on a ecosystem is

What is a valid reason for making efforts to maintain the biodiversity of the planet earth? A Biodiversity makes ecosystems stronger, more stable, and more resiliant to environmental change.