According to the content provided, animals from Aschelminthes up to Chordata generally show which level of organisation?
ACellular level
BTissue level
COrgan level
DOrgan-system level
Answer & Solution
Correct answer: D. Organ-system level
Aschelminthes to Chordata are placed at the organ-system level of organisation, where organs are coordinated into systems. This distinguishes them from simpler groups with only cells, tissues, or organs.
Related questions
At which embryonic stage are the primary germ layers first clearly established in animals?Which statement correctly defines germ layers?A diploblastic animal is characterized by the presence of which of the following?Which of the following groups is triploblastic?In the transverse section of the gastrula shown, which germ layer lies between the outer eCoelom is best defined as:An animal is called a true coelomate when its body cavity is:Which figure represents a pseudocoelomate condition, where mesoderm is present as scattere