In most protostomes, the first indentation of the gastrula develops into the ______ and the second opening becomes the ______, while in deuterostomes the ______ is the first opening and the ______ is the second.Multiple choice question.heart; anus; anus; heartanus; mouth; mouth; anusanus; heart; heart; anusmouth; anus; anus; mouth

Of the following combination of statements about protostomes and deuterostomes, which choice is correct?Group of answer choicesProtostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development.Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the mouth develops from the blastopore and the anus develops secondarily later in their development.Protostomes are animals in which the anus develops from the blastopore, and the mouth develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development.Protostomes are animals in which the mouth or anus develops from the blastopore, depending on the species. Deuterostomes are animals in which the mouth and anus develops from the blastopore, depending on the species.

During development in deuterostomes, the Blank______. Multiple choice question.mouth develops before the anusmouth and anus develop simultaneouslyanus develops before the mouth

In bilaterally symmetrical animals, the mouth forms first in animals with ______ embryonic development, and the anus forms first in animals with ______ embryonic development.Multiple choice question.protostome; deuterostomechelicerate; mandibulatemandibulate; cheliceratedeuterostome; protostome

Which of the following is true of Deuterostomes?Multiple choice question.The blastopore develops into mouth, anus, and intestines.The blastopore develops from mesoderm.The blastopore develops into the anus.The blastopore develops into the mouth.

Which of the following is defined as the opening between the archenteron of an embryo and the outside?Multiple choice question.DeuterostomeBlastoporeProtostomeLophophore