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Which statement regarding the fitness of coyotes compared to the fitness of shrews is scientifically accurate?

A colonial protist is the ancestor that led to the first animal lineages. These protists coordinated the tasks of the group, such as feeding versus protection, which led to specialized cell types, which is the basis of multicellular organisms. What term describes this phenomena?

Which phylum includes aquatic, sessile animals that lack symmetry, true tissues, or organs and are commonly shaped like columnar vases?

Which statement best explains the scientific reasoning to support the observation that a shrew needs more food to maintain a gram of body weight compared to a coyote?

Which of the following is a derived trait among vertebrates?

Using the image below, which statement(s) accurately describes the image? Select all that apply.

Which is the only living animal to retain all embryonic chordate features into adulthood?

All vertebrates and some bilateral vertebrates are ______, meaning the first opening of the developing embryo becomes the anus while the second opening becomes the mouth

The ___ allowed ___ the ability to exploit new habitats further inland and away from water sources

Echinoderms, which includes 5 classes (Asteroidea, Ophiuroidea, Echinoidea, Crinoidea, and Holothuroidea), are an example of: