What type of signal is fast and requires daylight with no obstructions? A) olfactory

Biology

1 answer:

Naily [24]2 years ago

3 0

Visual signal is speedy and requires sunlight hours with no obstructions.

<h3>What is visual obstruction?</h3>

Visual obstruction is the blocking of views or foreshortening of views.

Visual obstruction is defined via peripheral visible area testing regular with the advocated documentation requirement.

<h3>When measuring visual obstruction the usage of a Robel pole which band is recorded?</h3>

1994; 'Robel pole': Best et al. 1998) with alternating 1 dm bands painted darkish and light. The lowest decimetre mark visible on the pole was once recorded as the obstruction measurement. Visual obstruction is commonly used as a measure of cover density (Higgins et al.

Learn more about visual obstruction here:

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The embryos of all animals undergo gastrulation, a dramatic reorganization of cells critical to formation of the animal body.

Ksju [112]

Answer: gastrula, archenteron, blastospore

Explanation:

a) Gastrulation is a dramatic reorganization of the hollow blastula into a two-layered or three-layered embryo called a gastrula.

b) Invagination of cells into the blastocoel forms a tube called the archenteron.

c) The open end of the archenteron is called the blastospore..

5 0

3 years ago