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Murljashka [212]
3 years ago
10

Describe two important ways that marine ecosystem impact the planet

Biology
1 answer:
Ronch [10]3 years ago
8 0
Animals eat marine creatures
we depend on water from marine ecosystems

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In photosynthesis, what substances come in from the outside, what substances are produced
VARVARA [1.3K]
Carbo dioxide, water and sun's energy comes fron the outside.... energy and Oxygen molecule are produced
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3 years ago
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The ability to detect physical energy through our visual or touch systems
PIT_PIT [208]
Sensation

detection of physical energy by sense organs, which then send info to the brain
- Detection of stimuli by sense organs
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8 0
3 years ago
Honey Bees have a much different social and reproductive structure as compared to humans.
djyliett [7]

Answer:

Unlike the queen bee, which has 32 chromosomes, drones have half the chromosomal charge (n= 16), so they are considered haploid.

Explanation:

The system of determination of the sex in the bees —like in other insects— is called haplodiploidy, and consists of which the females of the species possess complete charge of chromosomes, whereas the males only possess half. This is what happens with the queen bee with 32 chromosomes, while drones only have 16 chromosomes, so they are considered haploid.

Additionally, as a characteristic of haplodiploidy, males only proceed from female gametes, so they can only contribute gametes to produce females of the species.

The other options are not correct because:

  • <em>Drones, with half of the chromosomal charge, </em><u><em>cannot be diploid</em></u><em>. </em>
  • <u><em>Monosomy and trisomy</em></u><em> are defects in the distribution of chromosomes during meiosis, which imply one chromosome less or one chromosome more in the normal chromosome charge respectively.</em>
3 0
3 years ago
A student conducted an experiment that used two rose plants to determine if a liquid formula for fertilizer was better than a dr
Tanzania [10]

The teacher most likely asked for additional trials because it was necessary to see data from more plants before the conclusion could be accepted.

Explanation:

  • Any experiment should have multiple trials given so that accuracy of the result could be obtained.
  • Repeating same experiments tests the consistency of a particular result and makes sure that the results will not be effected by random events occurring within the system or surrounding.
  • Thus the conclusion becomes more precise and accurate.

3 0
3 years ago
Stages of mitosis and what happens in each stage.
Zina [86]
There are 4 stages in Mitosis...
Prophase:
It is the first phase in which the chromatin coil to become chromatids, and those chromatids pair up and the nuclear membrane surrounding them dissolves. The centrioles move to each end (pole) of the cell.
Metaphase:
Where the paired chromatids align in the centre of the cell and spindle fibres attach to them at the centromere. 
Anaphase:
The centrioles act as anchors, tearing the paired chromatids away from each other using the spindle fibres. Each paired chromatid moves to either (the opposite) end of the cell.
Telophase:
Where the chromatids elongate to form chromatin, and a nuclear membrane begins to form around the chromatin at each end of the cell. Cytokinesis occurs in this stage as the cell separates into two daughter cells. In animal cells, there is cleavage as the two cells are starting to separate. In plant cells, a plate begins to form.

4 0
3 years ago
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