How is water conserved on a space station?

one piece of evidence for the endosymbiotic theory comes from examination of membranes surrounding the chloroplasts of microbial eukaryotes that have a history of secondary and/or tertiary endosymbiosis.

Why do people lose more water in dry desert climates?

If there are 40 chromosomes in each body cell of an organism what is the total number of chromosomes normally present in a gamet produced by that organism?

What does dna replication mean?

In a cell all organelles work together to carry out

An organism that is heterozygous for a particular character will generally show the recessive trait. a. true b. false

Some speciea undergo long peiods of stability interrupted by geologically brief periods of signifficant change. During these brief periods, new species may evolve. This pattern of evolution is part of the concept of

Darwin and Haeckel used the analogy of a wheel to represent phylogenies.

What is allele frequency

Why do rocks vary in color?