P-Science-Gr-Post Test-CBT-PBT (2020-21) Question: 1-9
Susan noticed that hummingbirds in her yard visited all the flowers, but especially seemed to like the red trumpet-shaped ones. She read that they
assumed that since the parents were eating nectar, they must feed their babies only nectar as well.
To her surprise, she saw hummingbirds bringing small spiders and insects to feed the young hummingbirds. How does this new evidence affect her
O She should stick to her assumption that the babies eat nectar since she thought that first
a She should believe what she read in the book and disregard what she witnessed.
She should change her original assumption that they only feed their babies nectar
She should ask other people what they think and agree with the majority

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Me 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?

Which level of taxonomy has the fewest organisms?