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SpyIntel [72]
3 years ago
15

Explain what could happen if Krill were removed from this ecosystem. Provide examples to support your statement. **Use complete

sentences. *

Biology
1 answer:
enot [183]3 years ago
8 0
<span>Krill are vital to the aquatic food chain by providing a food source for hundreds of species, especially whales. They consume small plants that go through photosynthesis and provide energy for larger predators. Without krill, many oceanic life would lose an essential source of food that could endanger different species.</span>
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According to the cladogram below, which of the following organisms had a
horrorfan [7]

Cladograms are graphic representations of the relationship between different taxa according to derivated characters. Option A is correct. Group D has a segmented body and jaws, but no limbs.

<h3>What is a cladogram?</h3>

A Cladogram is a graph drown as a tree, which is based on cladistic analysis. It represents the common ancestral relationships and the emergence of different characters among the involved groups.

  • The tree-type graph is a ramified diagram that represents the relationship between the involved taxa.

  • The cladistic analysis follows the maximum parsimony criterium. Explains the character state from the point of view of the fewest changes through history.

Explains evolution with the minimal amount of evolutive changes.

It recognizes the monophyletic groups as natural groups. These groups are the clades, and their classification -sequencing- represents their phylogeny.

  • The sequencing term refers to lists of groups according to their relation. One group is the brother-group of the following one.

So the cladogram represents the relationship between groups according to a derived character.

The derivated character is any trait that a group passes to its descendants.

Through evolution, the characters change, and new changes are added. When referring to a derivate character, we mean that all the subsequent species in the cladogram carry the trait.

In the provided cladogram, segmentes bodies, jaws, limbs and other traits are derivated characters.

<u>Group D</u> has a segmented body and jaws, but does not express limbs.

This last trait emerged later in history and is expressed by groups E, F and G.

Option A is correct. Group D.

You can elarn more about cladograms at

brainly.com/question/27405768

brainly.com/question/11912782

brainly.com/question/12275760

#SPJ1  

5 0
2 years ago
Which statements about the Hubble Space Telescope are true?
ankoles [38]
<h2 /><h2>Answer-</h2>

The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned both as a vital research tool and as a public relations boon for astronomy. The Hubble telescope is named after astronomer Edwin Hubble and is one of NASA's Great Observatories, along with the Compton Gamma Ray Observatory (1991–2000), the Chandra X-ray Observatory (1999–present), and the Spitzer Space Telescope (2003–2020). The Space Telescope Science Institute (STScI) selects Hubble's targets and processes the resulting data, while the Goddard Space Flight Center (GSFC) controls the spacecraft.

3 0
2 years ago
Can wind travel faster than the speed of sound?
Zigmanuir [339]

Yes, wind can travel faster than the speed of sound. Wind is just the bulk movement of a mass of air through space and is in principle no different from a train speeding along or a comet zipping through space.

7 0
4 years ago
Read 2 more answers
Need help with this question, please thanks
Karo-lina-s [1.5K]

Explanation:

Cell theory states that living things are comprised of cells, as their smallest units capable of functioning. Microscopy helps to prove this, as cells and their varying components can readily be seen, observed and later classified. Their components and molecules require the closed system of the cell in order to function with different arrangements and features being key to certain phyla, groups and species; this aided in the reclassification of organisms into the kingdoms and phyla we know today.

Theories are repeatedly testable observations about phenomena  in the natural world; they are based on a rigorous review process, that, includes experimentation and evaluation.If new information about these phenomena  is made available by technological advancement, novel observations can be incorporated into experiments, which would change cell theory.

Learn more about cellular life at brainly.com/question/11259903

Learn more about tissue types at brainly.com/question/8487952

#LearnWithBrainly  

6 0
3 years ago
Upwelling or Biodiversity
frez [133]
I’m pretty sure it’s upwelling
5 0
3 years ago
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