The answer would be transitional forms like Archaeopteryx make
available DNA confirmation that demonstrates how organisms are related. Transitional
fossils establish the middle forms that happened over the evolutionary
trail taken by a single genus. A case in point of a transitional fossil is
archaeopteryx, which relates the evolution of dinosaurs (from jaws and claws)
to birds (feathers).
Answer: B- They are both made of one or more cells
Explanation:
I took the test
Answer:
The lymphatic system is made up of tissues and organs that help the body get rid of toxins,waste. Lymphatic fluid cointains infection fighting white cells through out the body.
Explanation:
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Answer:
1)Biodiversity of an area refers to the vast number of species of plants, animals and microorganisms existing in that area.
2)Fauna refers to animals, whereas flora refers to plants
3)Yes, I agree with the statement. Forests provide plant cover to check the flow of water. If forests are removed, then floods will occur.
4)False.
Endangered animals are those species whose numbers are diminishing at an alarming rate and face an immediate danger of extinction.
5)If all trees in a forest are cut, it will lead to erosion of soil.
6)Grazing by cattle should be controlled for forest conservation.
7)True.
Soil erosion is the removal of top layer of soil that is most fertile. If not checked, soil erosion ultimately leads to desertification.
8)The flora and fauna of a country are among the most important renewable natural resources.
9)Dinosaurs are extinct because no living member of this species is present on earth.
10)Wildlife conservation and forest conservation are closely related.
11)False.
A biosphere reserve comprises of three core areas: natural zone, buffer zone and transition zone. These zones are not present in a tiger reserve.
Explanation:
Peace
Answer:
B
Explanation:
Arteries and arterioles (small arteries) have muscular walls. They're the main blood vessels involved in vasoconstriction. ... Capillaries are tiny, thin-walled blood vessels that can't constrict.
