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blsea [12.9K]
3 years ago
5

HELP FAST PLZ!! 20+ POINTS I REALLY NEED UR HELP

Biology
1 answer:
Usimov [2.4K]3 years ago
7 0

Answer:1 is a

Explanation: the yellow tail snappers will grow larger in numbers cause their natural preditor is gone

Ps finish the second problem and I'll anwser it too

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6. If an atom has 8 protons, 8 neutrons and 8 electrons and then loses an electron, what is it? What is its charge?
Leno4ka [110]

Answer: it is a cation (a positively charged ion). its charge is (+). It will have one positive charge.

Explanation: Ions are charged atoms. Ions can be positively charged or negatively charged. A positively charged ion is called a cation while a negatively charged ion is called an anion. Cation is formed when an atom loses one or more electrons while an anion is formed when an atom gains one or more electrons. Normally, an atom has no charge that is, it is neutral because an atom always have equal number of protons and electrons. Protons have positive charge while electrons have negative charge. For instance when atom which have 8 electrons and 8 protons loses one electron, it will then have 7 electrons and 8 protons, thereby making the atom to have a positive (+) charge.

7 0
3 years ago
When making a Punnett square the alleles of the mother and father are written at the top and side of the four square box. True o
oee [108]

<em>It is True that when making a Punnett square the alleles of the mother and father are written at the top and side of the four square box. </em>

4 0
2 years ago
Read 2 more answers
...<br> ..........................<br> 2. What is needed for food production to occur?
True [87]

Answer:

Light energy (sunlight)

By autotrophs

As they make food from it

6 0
3 years ago
Diffusion is a passive process that accounts for the movement of respiratory gases across the capillary membranes of alveoli.
strojnjashka [21]

Answer:

True

Explanation:

Diffusion is a passive process (no energy required) in which the substance such as liquid and gases moves from an area of high concentration to an area of low concentration.

During respiration, carbon dioxide diffuses from the blood into the alveoli and oxygen diffuses from alveoli to blood across the respiratory membrane. The partial pressure of oxygen is low in the blood of the pulmonary capillaries and high in the alveoli. so diffusion allow movement of oxygen across the respiratory membrane from the alveoli into the blood.

Hence, the given statement is true.

4 0
3 years ago
Describe two potential biological risks of large scale cultivation and use of such genetically modified plants
expeople1 [14]
Risk of large scale production:
1. With an increase in production, there can become managerial problems. Workers can become lax, making of decisions become difficult and communication between workers become hard.
2. A large scale operation, needs technical tools like machines. Finance to buy machines can become a problem and hamper growth.

Risk of Genetically modified plants
1. They can become contaminants. The cross pollinated plants and seeds can travel, and contaminate the gene pool. Thereby, threatening future generations of plants.
2. They can produce side effects. Engineered plants, can lead to development of new toxins, carcinogens and deficiencies of nutrition.
6 0
3 years ago
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