Triploblastic vs Diploblastic

What is the main difference between triploblastic and diploblastic organisms?

• Triploblastic organisms are exclusively marine, while diploblastic organisms are exclusively terrestrial.

• Triploblastic organisms have one germ layer, while diploblastic organisms have two germ layers.

• Triploblastic organisms lack a body cavity, while diploblastic organisms have a body cavity.

• Triploblastic organisms have three germ layers, while diploblastic organisms have two germ layers.

Which germ layers are present in triploblastic organisms?

• Exoderm, Mesoderm, Entoderm

• Epidermis, Myocardium, Gastrodermis

• Ectoderm, Mesenchyme, Endoderm

• Ectoderm, Mesoderm, Endoderm

Give an example of a triploblastic organism.

• Dog

• Cat

• Human

• Bird

What is the function of the mesoderm in triploblastic organisms?

• It gives rise to muscles, connective tissues, and the circulatory system.

• It functions as a storage organ

• It forms the nervous system

• It produces the epidermis

How many germ layers are present in diploblastic organisms?

• 5

• 4

• 3

• 2

Name the two germ layers found in diploblastic organisms.

• endoderm and mesoderm

• exoderm and endoderm

• ectoderm and endoderm

• mesoderm and ectoderm

Provide an example of a diploblastic organism.

• Seahorse

• Jellyfish

• Starfish

• Sea anemone

Tags

NGSS.MS-LS4-2

What is the role of the endoderm in diploblastic organisms?

• Regulating temperature within the organism

• Lining the digestive cavity and aiding in digestion and nutrient absorption

• Serving as a protective layer for the organism

• Assisting in locomotion and movement

Explain the significance of germ layers in the development of organisms.

• Germ layers play a crucial role in determining the overall body plan and specialization of cells during embryonic development.

• Germ layers have no impact on cell specialization

• Germ layers are formed after embryonic development

• Germ layers are only present in adult organisms

How do triploblastic and diploblastic organisms differ in terms of complexity?

• Triploblastic organisms lack complexity compared to diploblastic organisms.

• Triploblastic organisms are more complex than diploblastic organisms due to the presence of an additional germ layer.

• Diploblastic organisms possess additional structures that triploblastic organisms lack.

• Diploblastic organisms have more germ layers than triploblastic organisms.