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Margarita [4]
3 years ago
7

How would scientists know if populations were increasing or decreasing over time?

Biology
1 answer:
jeka943 years ago
8 0

Answer:

charts that show population increase or decrease.

like

the internet is also one like the san diego zoo has a page where you can see if the animal is flourishing in numbers, or not.

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alexira [117]

NADH and FADH2 are used in the next step of the aerobic respiration(electron transport chain) for their electrons, the energy they store in the electrons to be precise

8 0
3 years ago
Read 2 more answers
Membrane receptors are used by which types of hormones?
Ivahew [28]

Answer:

Lipid insoluble hormones/Peptide hormones

Explanation:

Hormones produce their effect by binding to speific receptor. These receptors may be intracellular or membranal.

Membrane receptors;

The lipid insoluble hormones cannot cross the plasma membrane thus their receptors are found on plasma membrane. These are usually peptide hormones.

Examples; Insulin.

Intracellular receptors;

The lipid soluble hormones can cross the plasma membrane thus their receptors are found in cytoplasm. These are usually steroidal hormones.

Example; Testosterone.

5 0
3 years ago
A gardener uses a chemical to kill the bacteria in the soil of his flowerbed. how will this plan affect the growth of his flower
Dafna11 [192]

The flowers will not grow as well because bacteria are needed to fix nitrogen

Numerous plants have symbiotic interactions with bacteria, which provide them with essential nutrients like nitrates. His flowers' growth will be limited and they can even perish if all the bacteria are gone.

<h3>What are Good bacterias ?</h3>

Friendly bacteria or good bacteria can help plants grow by helping the plants to obtain nutrients such as phosphorous and nitrogen, or by defending the plants from other microbes that can make them sick.

  • Beneficial good bacteria for plants produce chemicals and hormones that stimulate growth. Beneficial bacteria help prevent infections from pathogens by coating the root surfaces and triggering svstemic disease resistance.
  • By this way the use of bacteria killing chemical will all kill good bacteria which helps plant growth.

Learn more about Good bacteria here:

brainly.com/question/19161490

#SPJ4

4 0
2 years ago
An amoeba uses a sugar molecule during metabolic activity. It loses energy to the environment as a result. The transformation of
34kurt

Answer:

Option B, chemical energy to thermal energy

Explanation:

All living organism feed on food that contains energy in the form of chemical energy. Once the food is intake and processed for fulfilling energy requirement of all metabolic processes with in a cell, the remaining energy is released as heat (thermal energy). Thus, an amoeba while consuming a sugar molecule converts chemical energy with in the sugar to thermal energy in the form of energy molecules.

Hence, option B is correct

7 0
2 years ago
What is solid waste produced by a sewage-treatment plant is called
Goryan [66]

sludge

<span>Sewage treatment is also known as wastewater treatment. It is a process whereby contaminant is removed from wastewater. Thus, chemical, biological and physical process are commonly used to remove contaminants from wastewater and the by-products of wastewater treatment is usually inform of solid waste known as sewage sludge.</span>

3 0
3 years ago
Read 2 more answers
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