Plz will
over time, organisms change. sometimes they change so much that descendants m...
Plz will
over time, organisms change. sometimes they change so much that descendants may be completely different from their ancestors. what must happen for this process to occur?
organisms die before they have a chance to reproduce
no chance for mutations in sex cells
mutations in egg and/or sperm
traits acquired during an organism's lifetime are passed on to offspring
Answers: 3
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Aplant may open end close its stomata to prevent excess water loss and maintain
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When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis
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80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
Answers: 1
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