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Ivanshal [37]
4 years ago
14

Which is not a kind of surface water? pond runoff aquifer stream

Biology
2 answers:
WITCHER [35]4 years ago
7 0
The answer is aquifer because an aquifer is a body of permeable rock which can obtain or transmit groundwater (it’s underground and not on the surface).
Yuki888 [10]4 years ago
7 0
Aquifer, the rest of the bodies of water are found on the surface layer. Meanwhile an aquifer would be considered groundwater.
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If flies that are heterozygous for both the bent wing gene and the vestigial wing gene are mated, what is the probability of off
boyakko [2]
E.3/16 
Vg: normal wings; vg: vestigial wings  
Bt: normal wings, bt: bent wings  
But to simplify, I write:  
V: normal wing; v: vestigial wing  
B: normal wings; b: bent wings   
P: VvBb x VvBb  
Gametes (both) VB, Vb, vB, vb  
F1 (Punnett Square)  
.....|.... VB...|...Vb...|...vB...|..vb  
VB | VVBB | VVBb | VvBB | VvBb  
Vb | VVBb .| VVbb | VvBb | Vvbb  
vB | VvBB ..| VvBb | vvBB | vvBb 
 vb | VvBb ..| Vvbb. | vvBb | vvbb 
 Phenotypic ratio: 9/16 V-B- (normal) : 3/16 V-bb (bent) : 3/16 vvB- (vestigial) : 1/16 vvbb (vestigial-bent)
5 0
4 years ago
Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts,
Naya [18.7K]

Answer:

D

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6 0
4 years ago
Study the timeline.
Digiron [165]

Answer:

The correct answer is - 4.1 billion years ago.

Explanation:

In the question, there is a timeline given based on the fossils evidence and on the base of this timeline, it is given that the earth formed around 4.5 Billion years ago. Soon after the earliest water, the first living unicellular single-celled organism found which is dated around 4.1 billion years ago.

It has appeared soon after the earth formed itself and after a billion years later the first photosynthetic organism occurred.

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I have a feeling that it’s 5
7 0
3 years ago
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Answer:

A. Molecular changes such as extracellular signals on extracellular ligands can result in quick changes in cell behaviour. One example is insulin. Upon insulin binding on the receptor on the cell membrane, the cell release GLUT4 transporters (for muscle cells) to increase uptake of glucose.

B. Slow changes in cell behaviour can be observed for other lipophilic hormones or intracellular receptors such as glucocoortoid or estrogen which reacts with receptors in the cells.

C. Insulin is required to maintain a constant blood glucose level and hence levels of insulin has to be mediated in correspondence to the blood glucose levels. Fast acting signalling is thus required for homeostasis of blood glucose levels. Where for such lipophilic hormones such as steriods, glucocortoid, these hormones tend to have a longer lasting effect and hence results in a slow change.

6 0
3 years ago
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