Answer:
Canada's boreal forest (270 million hectares) stores carbon, purifies the air and water, and regulates the climate. Because a large portion of the world's boreal zone lies in Canada (28% or 552 million hectares), this country's boreal forest affects the health of the environment worldwide.Feb
Explanation:
<span>The correct answer is (D), sheep. Didgeridoos and boomerangs are artifacts invented by humans in Australia. Koalas evolved in Australia, and to this day are only found in the wild in Australia. In contrast, sheep were first domesticated in ancient Mesopotamia and then brought by humans to other parts of the world. The first sheep were brought to Australia by ship, from the Cape of Good Hope in 1788.</span>
Answer:
Explanation:
a. Flame cells: In the certain freshwater invertebrates such as rotifers some flatworms, there is presence of special excretory. A flame cell works as a kidney that removes waste materials.
b. Ocelli: These are the organs present in most of the arthropods. These are light detecting organs consists of a single lens and several sensory cells which detect movements.
c. Toxicyst: It is a specialized cellular structure present in some protozoa which are used to capture prey.
d. Nematocyst: It is small elongated capsule present in the members such as Hydra, jellyfish, sea anemones of phylum Cnidaria. Each nematocyst has a coiled, hollow, usually barbed thread. The thread contains poison and used to kill prey.
e. Colloblasts are a cell present in the tentacles of the ctenophores of the phylum Cnidaria. It has of a coiled spiral filament which are used to capture prey.
He served as king for the Mali Empire
Answer:
Photosphere, Chromosphere, and the Corona
Explanation: