Biology, 04.07.2020 14:01, kealinwiley
A food chain consists of grass, cows, and humans. If the grass
field produces 86,000 kJm-2 year-1 of energy and the cows
contain 18,700 kJm-2 year-1 of energy then what is the trophic
efficiency?
A: 5%
B: 78%
C: 22%
D: 33%
Answers: 3
Biology, 21.06.2019 22:20, yasmincastor
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
Answers: 1
Biology, 22.06.2019 05:00, jessewilkerson2312
Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.
Answers: 2
Biology, 22.06.2019 13:30, shaniqwakirkseyniqwa
What is used as a template during replication? a- mrna b- trna c- rrna d- dna
Answers: 1
A food chain consists of grass, cows, and humans. If the grass
field produces 86,000 kJm-2 year-1 o...
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