Which of the following statement about chordates is true?
Correct answer: D. Their anus is formed from the blastopore
- A. They are protosomes
- B. All chordates are vertebrates
- C. They lack a coelom
- D. Their anus is formed from the blastopore
Explanation
Chordates, as deuterostomes, exhibit indeterminate cleavage and radial symmetry during their early embryonic development. In deuterostomes, the blastopore eventually develops into the anus, and a second opening called the mouth forms later.
Last updated
Related questions
1. Fertilization_. 2. Digestive system_.3. Excretion by_.Fill in the blanks for the organism given in the below figure:
80% of the food of sponges consists of which of the following?
80% of the food of sponges consists of which of the following?
A blue colored respiratory pigment called hemocynanin is found in:
A body cavity completely surrounded by tissue derived from the mesoderm that provides cushioning for internal organs is called