Photosensitivity in annelids-cnidarians-worms
How photosensitivity in annelids, cnidarians and worms distinct from insects, cephalopods and vertebrates?
Expert
In the primary mentioned group of animals there are photoreceptors cells organized in ocelli or diffusely scattered in the body. Such animals do not form images.
In animals of the second group, the photoreceptor cells are element of more sophisticated structures, the eyes, capable to form images and to send them to nervous system.
Individuals may look at the same thing, yet perceive it differently? A number of factors operate to shape and sometimes distort perception. These factors include: 1) Characteristics of the perceiver (internal factors) 2) Characteristics of the target or perceived (external factors
What do you mean by branchiae? State few examples of animals which ‘breath’ through the branchiae?
What are the secondary lymphoid organs?
New Product Introduction: Product introduction is a business process by that a new product is debuted, launched or published into the market for usual users and or businesses. The product introduction process is ex
What are the various types of joints?
Describe the three structures shared by each and every chordate which characterize the group?
Explain the physiological cause of the syndrome which is termed as cretinism?
What are various diseases characterized by the progressive loss of axonal myelin sheath?
Describe the main transformation presented by glomerular filtrate in comparison to blood?
Describe the structure via which the neural impulse is transmitted from one cell to the other? Also name their parts?
18,76,764
1953426 Asked
3,689
Active Tutors
1415522
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!