What are the major differences between Protostome and Deuterostome development?

What are the major differences between Protostome and Deuterostome development?

The main difference between protostomes and deuterostomes is that the blastopore in protostomes are developed into a mouth while the blastopore in deuterostomes is developed into an anal opening.

What does it mean for an organism to be a Deuterostome?

Deuterostomia /ˈdjuːtəroʊstoʊmiə/ ( lit. ‘second mouth’ in Greek) are animals typically characterized by their anus forming before their mouth during embryonic development. Some examples of deuterostomes include vertebrates, sea stars, and crinoids.

Why do frog lay eggs in large amount?

Frogs laid so many eggs in water to make sure that enough eggs reach to the morality & adulthood . because they are lowers in food chain & also have so may enemies in water & on land also . So to ensure for new generation they laid high number of eggs .

Do frogs have blood?

Frog blood has both a solid and a liquid portion. The liquid plasma carries solid elements such as red and white blood cells. Blood can be collected from frogs and the red blood cells isolated by centrifugation.

Do Frogs Have arteries?

Truncus Arteriosis – Large artery in a frog that carries blood away from the ventricle into branches that lead to all parts of the body. Right Atrium – Chamber of the frogs heart which receives blood from the sinus venosus. Heart – Pumping organ of the circulatory system (has 3 chambers).

Are there any major differences between human and animal cells?

The main difference between animal cell and human cell is that the animal cell may have different sizes of genomes depending on the species whereas the human cell has 3 billion base pairs in its genome. Both do not have a cell wall, large vacuole, as well as chloroplasts.

What Colour is snakes blood?

red

Is blood in your body blue until it touches oxygen?

Sometimes blood can look blue through our skin. Maybe you’ve heard that blood is blue in our veins because when headed back to the lungs, it lacks oxygen. But this is wrong; human blood is never blue. The bluish color of veins is only an optical illusion.

Why is my blood almost black?

It owes its color to hemoglobin, to which oxygen binds. Deoxygenated blood is darker due to the difference in shape of the red blood cell when oxygen binds to haemoglobin in the blood cell (oxygenated) versus does not bind to it (deoxygenated).