An example of a biosphere is _________.

Biology

2 answers:

MAXImum [283]3 years ago

7 0

Rock, soil, water, & air on earth!

sergiy2304 [10]3 years ago

3 0

The second one should be it.

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Two advantages of secondary tissues?

harkovskaia [24]

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Whereas primary tissues allow for vertical growth, secondary tissues allow for lateral growth: they allow stems and roots to become wider. In roots, the formation of both secondary meristems involves the pericycle.

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Why can a trait seem to be hidden, but is actually there?

irina1246 [14]

Answer:

However, an allele that is hidden, or not expressed by an organism, can still ... A trait in one generation can be inherited, but not outwardly apparent before ... of the offspring from a cross where the parents differ by only one trait will appear identical.

Explanation:

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1 point

amm1812

Answer:

The pairing of the nitrogen bases in a DNA molecule is AT and CG. Let's say that the DNA strand has the sequence of ATCG. The complementary strand of that DNA strand will be TAGC. A and T & C and G must pair with each other. The replicated strand will be the same as the original strand because the complementary strand of the replicated strand will be ATCG, which is the same as the original strand.

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Secretions from the highlighted glands ________. secretions from the highlighted glands ________. produce a layer of enzyme lade

aleksley [76]

<h3>Answer;</h3>

produce a layer of enzyme laden mucus that captures dirt and destroys inhaled bacteria

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Secretions from the highlighted glands produce a layer of enzyme laden mucus that captures dirt and destroys inhaled bacteria 
During inhalation airt that contains dust particles or bacteria or other microorganisms may enter the air ways.
The layer of the airway covering the airways, is rich in antimicrobial compounds and mucins that are responsible for removal bacteria and other microorganisms from the airway .
This layer consist of mucus that traps, kills, and also inactivates the bacteria. It also contains periciliary fluid which keeps mucus at optimum distance from the underlying epithelia, to enhance bacteria clearance and the motility of cilia.

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In science, an idea proposed as a possible explanation for something is called a(n) a. experiment b. theory c. law d. hypothesis

Ksenya-84 [330]

Answer:

D. Hypothesis.

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A hypothesis is defined as an idea or explanation which can be further tested through study and experiments. It is a proposed explanation for a phenomenon.

Scientists generally base scientific hypotheses on previous observations that cannot be explained with the available scientific theories.

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