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Jet001 [13]
3 years ago
6

Do penguins have thick skin

Biology
1 answer:
Anika [276]3 years ago
4 0

Answer:

yes

Explanation:

it has 2 layers, one fat layer and the other is a feather layer to stay warm

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What characteristics does a good hypothesis possess?
expeople1 [14]

Answer:

1. Power of prediction

2. Closest to observable things

3. Simplicity

4. Clarity

5. Testability

6. Relevant to problem

7. Specific

8. Relevant to available techniques

9. Fruitful for new discoveries

10. Consistency and harmony

Here's ur answer mate!!!

PLS MARK AS BRAINLIST!!! PLZ

6 0
3 years ago
Discuss the order in which seed dispersal mechanisms could have evolved
sladkih [1.3K]

The fossil records of primitive plants show a variety of seed dispersal mechanisms that has been adopted by plants at various stages and how they have evolved. The most primitive of this seed dispersal mechanism is the Anemochory

Anemochory is the dispersal of seed through the wind. The seeds have wing like structures and are lightweight to be able to fly away with the wind. They are dull colored and are pale that will prevent the seed from being visible.

Hydrochory is the next order of evolution of the seed dispersal mechanism which became majorly adopted by plants that tend to grow near water sources and those whose seeds are too heavy to fly in the air. One of the best examples is the coconut that falls off on the sea water in the coastal areas and floats to other lands and sprouts to a new plant.

Barochory is the dispersal of the seed through gravity. This is the mechanism where the fruit falls off to the ground due to gravity and grows into a new plant.

Endozochory is the dispersal of the seed through animals. In this case the seed is usually covered with a fleshy edible part which is consumed by the animals and in this process the seed goes into the digestive system of the animal and is excreted in a different place from where the seed can sprout into a new plant.

Ballochory is the dispersal of the seed due to the forceful ejection of the seed by explosive dehiscence of the seed. This lets the plant to place its seeds in a distant area. One of the best examples is the Hura Crepitans which is also called the dynamite tree, named after its exploding fruits.

6 0
3 years ago
Read 2 more answers
A scientist discovers a new species near coral reefs in Australia. She finds that this single-celled species is photosynthetic (
pochemuha

Answer:

1. Eukaryotic

2. Eukaryota

Explanation:

1. Eukaryotic- The newly found species has a cell wall and contains membrane-bound organelles. The presence of membrane-bound organelles shows that the cell is a Eukaryotic cell.

2. Eukaryota- the species is single-celled with the presence of cell wall without peptidoglycan. This shows that the species could belong to the Eukaryota domain proposed by Carl Woese.

Thus, 1. Eukaryotic and 2. Eukaryota is the correct answer.

4 0
3 years ago
In ____________ , signals pass through a cell junction from one cell to adjacent cells.
erastovalidia [21]
The answer should be NEURONES (nerve cells).
Neurons transmit electrical signals called NERVE IMPULSES from the cell body through the axon to the end plate. The junction between the end plate and the adjacent cell is called SYNAPSE. impulses passes through the synapse by diffusion of chemicals.
4 0
3 years ago
State how the amino acid sequence you obtained from the gene fragment for botana curus compares with the sequences for the other
coldgirl [10]

The amino acid sequence in protein from the gene fragment for botana curus is the same with species Z that is valine, histidine, leucine, threonine, proline, glutamine and glutamine. Meanwhile, species X and species Y has different amino acid sequence compared to botana curus. Therefore, species Z is most closely related to botana curus because both species has the same amino acid sequence and has similar sized DNA fragments.

3 0
3 years ago
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