Answer:
D. Fossils of the Cambrian Period
Explanation:
The Cambrian Period (541–485.4 million years) is the period known for the explosion of life on Earth, when all the major phyla of multicellular organisms originated, and almost all the groups we find today, in a period of time geologically short.
The primitive faunas of this period had numerous morphological patterns, an immense variety of species, mostly soft-bodied animals, and new ecological strategies such as predation, burying themselves deep in the sediment and building complex, branched tunnels. They also featured some relatively large skeletal animals, such as trilobites, brachiopods, and
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Answer:
This week was chosen because it coincided with the birthday of Abraham Lincoln on February 12 and of Frederick Douglass on February 14, both of which dates black communities had celebrated together since the late 19th century.
Explanation:
On Feb. 2, 1990, in a dramatic concession to South Africa's Black majority, President F.W. de Klerk lifted a ban on the African National Congress and promised to free Nelson Mandela. In 1653, New Amsterdam — now New York City — was incorporated. [Most read] Health experts say not to hold out for a certain vaccine.
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Foreign logging companies have increased operations in eastern russia because they are able to use cheaper labor and reduce costs. Several animals habitats are threatened by this activity. Which of the following is a negative result of this deforestation??
ANSWER:-
NEGATIVE RESULT OF DEFORESTATION:-
Several animals habitats are threatened by this activity.
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The soil layers are, in order: dirt, humus, rock. So the answer is D.
