WILL GIVE BRAINILEST Which of the following is not true about the distribution of species?

a.

A species’ native range does not include areas where it was introduced by humans.

b.

Some species have a range they inhabit only for breeding.

c.

Seasonal ranges include areas where species are found for part of the year.

d.

All the organisms in an ecosystem share distribution patterns.

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

Which muscle cell structure stores calcium ions that are used to trigger the contraction?