P-Science-Gr-Post Test-CBT-PBT (2020-21)
Question: 1-9
Susan noticed that hummingbirds in he...
Biology, 04.05.2021 21:40 brasherfamily14
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
Answers: 1
Biology, 22.06.2019 07:20
Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.
Answers: 1
Biology, 22.06.2019 16:40
Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind
Answers: 2
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