What thing in ourbody decides the entry of foreign particle

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front