Difference between revisions of "Template:POTD protected"

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A '''[[lichen]]''' is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi in a symbiotic relationship. The combined lichen has properties different from those of its component organisms. Lichens come in many colors, sizes, and forms. The properties are sometimes plant-like, but lichens are not plants.
The '''[[Orca]]''' is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as seals and dolphins. They have been known to attack baleen whale calves, and even adult whales. Killer whales are apex predators, as there is no animal that preys on them. Killer whales are considered a cosmopolitan species, and can be found in each of the world's oceans in a variety of marine environments, from Arctic and [[Antarctica|Antarctic]] regions to tropical seas.


Lichens occur from sea level to high alpine elevations, in many environmental conditions, and can grow on almost any surface. Lichens are abundant growing on bark, leaves, [[moss|mosses]], on other lichens, and hanging from branches "living on thin air" (epiphytes) in rain forests and in temperate woodland. Different kinds of lichens have adapted to survive in some of the most extreme environments on Earth: [[Antarctica]], hot dry deserts, rocky coasts, and toxic slag heaps.
<p><small>Photographer: Joe Stanford</small></p>
 
<p><small>Photographer: Kate Kiefer</small></p>
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[[:Category:Images|'''(More Images)''']]
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Latest revision as of 05:09, 10 June 2025

ORCAS1.jpg

The Orca is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as seals and dolphins. They have been known to attack baleen whale calves, and even adult whales. Killer whales are apex predators, as there is no animal that preys on them. Killer whales are considered a cosmopolitan species, and can be found in each of the world's oceans in a variety of marine environments, from Arctic and Antarctic regions to tropical seas.

Photographer: Joe Stanford

(More Images)