What is the correct order of development from first stage to last

It starts with the fertilization by the fusion of two reproductive gametes to form zygote and zygote undergoes cleavage and follows morula, blastula and gastrula stages for further development. So the correct option is 'Fertilization → Zygote → Cleavage → Morula → Blastula → Gastrula.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

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