In 3-5 sentences, explain the major developments and events of the
Paleozoic Era.

♡ hi fairy ♡

-- the major developments and events of the

Paleozoic Era is how it earned the name "the greatest extinction event in Earth history." An event are how the major interval of geologic time that began 541 million years ago with the Cambrian explosion. The people of the era were cycads, glossopterids, primitive conifers, and ferns. ♡

~ madeline

✧･ﾟ: *✧･ *:･ﾟ✧*

answer; i believe the correct answer is ( proteins );

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u