List the animal phyla that are protostomes and those that are deuterostomes.
What will be an ideal response?
Protosomes: Platyhelminthes, Rotifera, Annelida, Mollusca, Nematoda, and Arthropoda. Deuterosomes: Echinodermata and Chordata.
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Sexual fusion brings two haploid cells together to produce a:
A. polyploid cell. B. diploid cell. C. haploid cell. D. None of these choices are correct.
From his experiments, Mendel concluded that each individual carries two factors, or ____, that govern the inheritance of each trait. Different versions of each factor are known as ____
a. alleles; gene markers b. genes; loci c. alleles; genes d. genes; alleles e. gene markers; genes
A farmer decides to use a crop rotation plan that plants corn one year, peanuts the second year, and soy beans the third year. Then he will start the rotation over with corn. The most likely reason for this type of crop rotation is to replace the soil's content.
A. calcium B. potassium C. nitrogen D. phosphorus E. water
Carbon has atomic number 6. Carbon most likely
A) shares protons. B) loses electrons. C) shares neutrons. D) shares electrons. E) loses protons.