An invertebrate is an animal thatMultiple Choicedoes not have a backbone.has a backbone.has a complete digestive tract.has an incomplete digestive tract.does not have true tissues.

What animals lack a backbone?Multiple choice question.invertebratesmammalsvertebratesarthropods

A vertebrate is an animal thatMultiple Choicehas a cranium but lacks a vertebral column.does not have a backbone.has a vertebral column.has an incomplete digestive tract.does not have true tissues.

What separates vertebrate animals from invertebrate animals? Question 15 options: Vertebrate animals are heterotrophic, while some invertebrates are autotrophic. Vertebrate animals have a notochord, while invertebrates lack this structure. Vertebrate animals all bear live young, while most invertebrates reproduce by laying eggs. Vertebrate animals are all carnivores, while invertebrates are mostly herbivores. All vertebrate animals are ectothermic, while all invertebrate animals are endothermic.

Animals that have ______ are called vertebrates, and those without are called invertebrates.Multiple choice question.deuterostome developmenta dorsal nerve cordnotochordsbackbones

The two broad groups that animals have been divided into based on the presence or absence of a backbone areMultiple choice question.roundworms and flatworms.autotrophs and heterotrophs.vertebrates and invertebrates.deuterostomes and protostomes.