Examlex
Why do organisms that have indirect development produce hundreds of offspring, whereas those with direct development produce relatively few offspring?
Proximate Causes
Immediate, underlying factors within an organism that explain "how" biological processes occur.
Diurnal Animals
Animals most active during the day (e.g., pigeons). Compare with crepuscular animals and nocturnal animals.
Navigation
Involves the use of cues to change direction when necessary in order to reach a specific destination; requires a sense of direction, called compass sense, and an awareness of location, called map sense.
Compass Sense
An ability observed in some animals, allowing them to navigate using Earth's magnetic field.
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