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3 years ago

Which statement about vacuoles is true

Biology

1 answer:

raketka [301]3 years ago

4 0

Answer is Vacuoles is the largest in the plant cells than animal cells.

Hope it helped!

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Two organisms have analogous structures. A student concluded that these organisms must have a common ancestor is the student cor

arsen [322]

Answer:

The student is wrong, just because the analogous structures of any two organism may have the same structure or even have the some relation between there way of operation or functions.

Explanation:

Analogous Structures:

As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.

For example:

As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.

4 0

3 years ago

Which of these is one of the main

Harrizon [31]

Answer:

the main purpose of building a dam is A to create reservoirs to store water

Explanation:

5 0

3 years ago

Describe the muscle feature that is being used in each naming scenario. for example, you have probably figured out that trapeziu

maw [93]

1.Gluteus maximus and Gluteus minimus

This muscles are classified by their size. Maximus means the largest of the group, which is correct because the others are small and medium sized). Gluteus minimus is the smallest of the group.

2.Frontalis and Temporalis

The frontalis and the temporalis muscles are classified by their location. Frontalis is front of the frontal bone of the skull; It serves for facial expressions, raising eybrows.

Temporalis is located on top of the temporal bone of the skull; Is able to move the tmandible.

3. Orbicularis Oculi and Transverse abdominis:

These muscles are far away from each other but they were named based on the same feature: the direction of fibers.

Orbicularis is because their fibers form a circle.
Transverse because crosses or 'traverses' the abdomen

4.Flexor Carpi Ulnaris and Extensor digitorum longus

These muscles are classified by what they do- their action.

Flexor carpi ulnaris flexes the hand at the wrist while the extensor digitorium longus extends the foot and toes upward.

5. Sternocleidomastoid and Brachioradialis

These muscles are named based on their origin and insertion.

Sternocleidomastoid has two origins, one in the sternum and the other in the collare bone (clavicle). It's insertions is in the mastoid process of the temporal bone.

Brachioradialis has an origin on the brachium of the humerus and it's insertion is on the radius.

6. Biceps Brachii and Triceps Brachii

These muscles, with opposite functions, are named based on their number of origins.

Biceps brachii has two origins on the scapula that join to form a single muscle which is attached to the forearm

Triceps brachii has three origins on the humerus and joint to form one single muscle that attaches to the ulna.

3 0

3 years ago

Scientists are concerned about the overuse of antibiotics because it could lead to certain diseases becoming ________________ to

kotykmax [81]

Answer:

Resistant

Explanation:

They wouldn't be worried about it being vulnerable to the drugs because that is what they want. For the disease to be affected successfully.

3 0

3 years ago

Read 2 more answers

Solve for n: 21k -3n + 9p > 3p + 12.

Ganezh [65]

C is the corect answer

3 0

3 years ago