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olga_2 [115]
2 years ago
5

A student wants to find out if a particular kind of plant grows better with or without potting soil. She has two identical plant

s. She places one plant in potting soil and sets the plant in the sunlight.
Which of the following conditions should she use for the second plant to determine the effect of soil?

Last 2 images are answer choices

Biology
2 answers:
yKpoI14uk [10]2 years ago
5 0
She has to place one in the shade and one in sunlight
Oliga [24]2 years ago
4 0
She has to place one plant in sunlight and one in shade to accurately tell the difference.
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In an effort to control vegetation overgrowth, 108 rabbits are released in an isolated area free of predators. After 2 years, it
Elis [28]

Answer:

246

Explanation:

Increased amount / current population = 972

Amount released = 108

time(t) = 2years

Using the exponential growth function :

f(t) = A*g^t

Where g = growth rate

To obtain the growth rate = g

972 = 108 * g^2

g^2 = 972 / 108

g^2 = 9

g = 3

To determine population after 9 months :

9 months to years = (9/12) = 0.75

t = 0.75

f(0.75) = 108*(3^0.75)

f(0.75) = 108 * 2.2795070

f(0.75) = 246.18676

= 246

6 0
3 years ago
Which organisms utilize a one-way air flow through their lungs to maximize air flow efficiency and
Stella [2.4K]
Birds

Birds are organisms which utilize a one-way air flow through their lungs to maximize air flow efficiency and <span>oxygen consumption

</span>The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes OXYGEN <span>from the atmosphere and produces and releases </span>CARBON DIOXIDE to the atmosphere.answer is letter D.

<span>Respiration driven by a mechanical series called inhalation and exhalation. We inhale or breathe in oxygen and exhale or breathe out carbon dioxide. </span>
8 0
3 years ago
The ecosystem is the lowest level of the biosphere hierarchy to include
Andrej [43]
Weather patterns and soil conditions.
4 0
3 years ago
Read 2 more answers
Name the different divisions of animals according to their habitats​
sergiy2304 [10]

Explanation:

Terrestial Animals - Animals which can only live on Land.Examples:- BEAR- CAT- DOG- DEER

Aquatic Animals - Animals which can only live on Water.

Examples:- FISH- OCTOPUSES- LOBSTERS- SEAHORSE

Amphibians - Animals which can live both on land and on water.

Examples:- FROGS- TOADS- SALAMANDERS

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7 0
3 years ago
A decrease in the resting membrane potential is __________ whereas, __________ is an increase in the membrane potential.
nexus9112 [7]

Answer: depolarization; hyperpolarization

Explanation:

At resting potential (absence of stimulus), the cell membrane of a neuron is said to be polarized with a net negative charge within due to more potassium (K+) ions present than sodium (Na+) ions.

However, an impressed stimuli reverses the ions content as K+ ions flows out and quickly replaced by Na+ ions, resulting in a decrease in membrane potential and a more positive cell membrane. Thus, depolarization occurs.

An increase in the membrane potential (so that it becomes more negative) is called hyperpolarization.

4 0
4 years ago
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