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Reil [10]
3 years ago
7

Scientists study biotic and abiotic factors to determine how healthy fish

Biology
1 answer:
Mrrafil [7]3 years ago
8 0

Answer:

A correct temperature

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Which mineral would be found in greatest concentration in the plasma of the marathon runners?
andre [41]
The right answer is E. Sodium  (with 140mmol/L)

Sodium is the most important element in the blood and extracellular liquids of the body.The needs of an adult subject are of the order of 1 to 2 g of sodium per day. The normal diet is much richer than our actual needs, about 4g, so it can largely compensate for the needs of an athlete or a runner.
Losses are majoritarly by feces and sweat. The kidney is able to reabsorb almost all the sodium that is filtered: urinary losses can be tiny.
6 0
3 years ago
Your family prepared an emergency plan in case of a natural disaster. Look at the list below and then select one additional item
tino4ka555 [31]

Answer: A safe place in the neighborhood seems the most reasonable or  D

Explanation:

A map of the house  wouldn't make sense because im pretty sure they would know around there house. An enlarges picture of each family member would also not make sense because it is just not helpful at all. A wallet card for each family wouldn't help them in there situation. A safe place for the family pet would help the pet but not everyone in the house so no. A list of friends for each family member would really be useful.

6 0
1 year ago
Describe the basic functions of animal body systems.
IgorC [24]

Answer:

The heart pumps blood through the circulatory system, delivering needed materials (glucose, oxygen) and picking up waste (carbon dioxide) from cells all over the body. Organs systems work together to efficiently and effectively provide all body cells with their basic needs to carry out life functions. 

4 0
3 years ago
Which of the following is a major trend in land plant evolution? Group of answer choices the trend toward a gametophyte-dominate
Leviafan [203]

Answer:

trend toward a sporophyte-dominated life cycle

the trend toward larger gametophytes

Explanation:

<em>The major trend in the evolution of land plants is the domination of the sporophytic phase in the life cycle and alternation of generation. It also moves towards a larger gametophytes</em>

In lower plants, the gameophyte phase was dominant in the life cycle while in bryophyte, both gametophyte and sporophyte phase are co-dependent.

The sporophyte phase is the diploid phase while the gametophyte phase is the haploid phase.

Also, the gameotyptic stages are quite microscopic (usually in the form of spores) in lower plants while they become bigger in land plants (in the form of ovary and pollen) although with fewer cells.

8 0
3 years ago
Which group was at the top of the social class in Rome?
alexira [117]
Patricians were at the top of the social class in Rome
8 0
3 years ago
Read 2 more answers
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