Answer: The earthworm contracts and extends in its movement, but the nematode moves side by side.
Explanation:
NOTE: By mode of location, we mean the way it moves.
The skin of a nematode is very unusual in that it secretes a thick outer cuticle which is both hard and flexible. And this cuticle makes it sustain a side by side mode of location. The closest thing a roundworm has to a skeleton is its cuticle and it uses it as a support and balance point for movement. Long muscles lie just underneath the epidermis and are all aligned longitudinally along the inside of the body, so the nematode can only bend its body from side to side, not contract or extend itself.
Whereas the earthworm extends and contracts as its mode of location.
An earthworm moves by using its two different sets of muscles: circular muscles for looping around each segment, and the longitudinal muscles for running along the length of the body.
The contraction of the circular muscles make the earthworm stretch becoming longer and thinner. The earthworm uses its longitudinal muscles to contract and thus becomes shorter and wider or it bends from one side to the other, pulling the body forward in the process. The earthworm withdraws the front setae and uses its rear setae to anchor itself at the back. Then the earthworm uses its circular muscles to lengthen and push itself forward again.
<u>Answer:</u>
<em>The two primary factors that impact how a well of lava will eject are consistency and gas content. </em>
<u>Explanation:</u>
<em>Both are identified with the arrangement of the magma. </em>Hawaiian volcanoes will in general emit basalt , which is low in consistency and low in gas content (about 0.5 weight percent).
The higher the level of silica substance of magma, the more thick it is. <em>Since a magma with less silica substance is moderately liquid and has a high capacity to stream (low consistency)</em>
Yes, things such as polluting the air with fossil fuels (not natural) and things like building factories or something as simple as throwing garbage in the oceans have a major affect. everything is like a butterfly effect, one small action can have a drastic outcome. people now a days are inventing numerous amounts of things and damaging our ecosystems. as the years go on and things like this keep happening, our world will start to get hit with those outcomes. right now we are experiencing them, with hot temperatures and less fish in the ocean and polar ice caps melting.
Answer:
This question is incomplete, because there is no picture, but I attached one, related with the question. The correct answer Trade winds are shown as number 1.
Explanation:
Trade winds and permamnet winds which blow between Tropic of Cancer, Equator and Tropic of Capricorn (which is between 30 degrees N and 30 degrees S.
These wind always flows from Tropics towards the Eqautor, because around the Eqautor is permanent low pressure area, and around the Tropics is permanent high pressure area. Air always flows from high pressure towards low pressure area.
Due to Earth's rotation trade winds curve a little bit, a they become prevailing Northeasterly Trades (in Northern hemisphere) and Southeasterly Trades (in Southern hemisphere). Earth rotates in west-east direction, and that is the reason for their deflection.
Trade winds got their name in the Age of Discovery (14-15 century) when sailing around the world and explorations were very common. Explorers find out that in specific regions exist winds with permanent direction. That was very importnant in the Middle Ages, so explorers always followed their patterns. Term '<em>trade</em>' is actually from Middle English and it means '<em>track</em>'.
The Earths magnetic field spreads across the whole globe, so thats why theyre all different. I hope this helped, and good luck!
