Tortoise shells and snail shells are similar in function: they protect the organism from predators. Based on a comparison of the organisms in the images, what can you conclude?
Tortoises and snails have homologous organs, and they're evolutionarily related.
Tortoises and snails have homologous organs, and they belong to same species.
Tortoises and snails have analogous organs, and they belong to the same species
Tortoises and snails have analogous organs, and they dont belong to the same species.
Tortoises and snails have analogous organs, and they aren't evolutionarily related.

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote