An ecosystem contains both living organisms (e. g. deer, grass) and nonliving objects (e. g. gases, water, soil, and rocks). which of the following general statements can be made about the effect of an ecosystem’s living organisms and nonliving objects on the deer population? both living and nonliving factors are a. limited and allow the deer population to continuously grow and decline depending on their position in the food chain. b. limitless and provide an opportunity for limitless growth of the deer population c. limitless and allow the deer population to grow and decline depending on their position in the food chain d. limited and effect the maximum population size of the deer population

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

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?

Por qué crees que los huevos con cáscara se llaman amnióticos?