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lisov135 [29]
3 years ago
15

Which organism(s) came first on your timeline? Explain the importance of the organism(s) and why you chose to place

Biology
1 answer:
mr Goodwill [35]3 years ago
4 0

Answer:

The roundworm C. elegans

Explanation:

The roundworm C. elegans became the first animal to have its genome sequenced, in 1998.Oct 4, 2017

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4 The graph below shows how the activity of an enzyme changes
choli [55]

Answer:

A

Explanation:

A. The optimum pH of the enzyme is 6.6.  - this is true. The optimum pH of the enzyme is where its activity is the highest. On the graph, this is pH 6.6 (activity at 100)

B. The optimum pH of the enzyme is 5.8.  - this is false, the activity of the enzyme peaks at 6.6 (100), at 5.8 the activity is 80

C. The enzyme's activity is greater around pH 8.0 than around  pH 5.0  - This is false, the activity at pH 5 is 50, whereas at around 8 it is 20.

D . The enzyme's activity continually increases as pH increases  from 5.0 to 9.0 - this is false. The activity drops between pH 6.6 and pH 9.

6 0
3 years ago
In California, a species of salamanders were geographically separated over time. The group that lived in southern California rel
alex41 [277]

Answer:

It ocurred a selection by allopatric speciation

Explanation:

The allopatric speciation refers to the evolution in which the same specie starts developing different characteristics because of geographic barrers and this characteristics after some time generates two different specie.

It happens because usually according to the environment or the predators, species have to develop different adaptations so they can survive. In this case we have two different types of camouflage adaptations made by the salamanders acording to the conditions so for one specie it is better to camouflage from the predator mean while to the other is better to use lived colors to seem as it is a poisonous animal and in this way avoid the predators.

So you can see the same specie develop different strategies to survive because of a geographic separation, generating an allopatric speciation.

8 0
3 years ago
Which choice describes what may happen if a predator species disappears from an ecosystem?
Morgarella [4.7K]
The answer is O growth in population of all other species
8 0
2 years ago
How would you expect the number of mitochondria in a cell to be related to the amount of active transport it carries out?
OverLord2011 [107]
The greater the amount of active transport carried out by a cell, the greater the amount of mitochondria would be found in the cell.

Active transport uses energy. Mitochondria undergoes aerobic respiration to release large amounts of energy. If the cell is found to be lacking in energy needed for active transport, the cell would adapt by synthesizing more mitochondrion to ensure that it's demand of energy is met.
7 0
3 years ago
Hi please help this question is based on what you think
hichkok12 [17]
Yes we never know what could happen in an eco system
4 0
4 years ago
Read 2 more answers
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