ANSWER: Trapped in a ship's ballast or water tank.
REASONING: There are many examples of species being transported in the ballast or water tank of ships. Ships need to be stable so they don't turn over. Stability is provided by weight in the bottom part of the ship called the ballast. This weight often comes from water that is stored in water tanks or the ballast area of the ship. Water is taken in to the ballast at the beginning of its voyage. When it arrives at it's destination, the ballast water is often drained. Anything living in that water will also be drained in to the new location. This is how species like the white perch can be introduced into new areas.
Coevolution occurs when two or more species reciprocally affect each others evolution. The two species in question exerts selective pressure on each other thereby affecting each others evolution. The relationships that might exist include mutualism, predator-prey relationship and host-parasite relationship.
All this gradually shape the two species due to adaptations for survival and competitions.
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Answer:
A Scanning Electron microscope
Explanation:
A scanning electron micriscope beams focused rays of electrons at the outer surface of the cell get a very highly maginified and detailed image of the surface structures. Some disadvantages include that the cell must be dead in order to be examined this way, and this type of microscope is very expensive compared to a light microscope.
A Punnett square is used to predict the chances of an offspring to have its parents' traits. These squares are most commonly divided into four parts, with each part equalling a 25% chance of the offspring receiving that set of genes.
Characteristics of Endocytosis:
* use energy
* takes substances into a cell
* moves substances in vesicles
Characteristics of Exocytosis:
*use energy
*releases substances outside a cell
*moves substances in vesicles.
Both use energy and move substances in vesicles.
