We will investigate several different pollutants during Lab 4. Identify which part of sea urchin external fertilization you think is MOST likely to be affected by this pollutant, and why. Pollutant: Spermicide Group of answer choices Affects: viable eggs surviving in the ocean because spermicide will damage and break the eggs. Affects: the egg dividing into a larvae, because spermicide hinders the ability of a cell to divide. Affects: viable sperm swimming to egg, because sp

Compare asexual reproduction to sexual reproduction

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt