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Fantom [35]
3 years ago
9

The starfish's water-vascular system is used for locomotion and capturing food. True/False

Biology
1 answer:
Ymorist [56]3 years ago
3 0

Answer:

true

Explanation:

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An organism of the genus Staphylococcus is ________, while an organism of the genus Spirochaeta is ________.
Pavel [41]

Answer:

The question lacks options, the options are:

A) spherical / rod shaped

B) rod shaped / coiled

C) spherical / coiled

D) coiled / spherical

The answer is C

Explanation:

All life forms has been classified into a major wide group called DOMAIN. Bacteria is one of the set of organisms classified in this domain. Bacteria are single-celled organisms composed of different species represented by different genera. Two of those genera is the basis of this question; Staphylococcus and Spirochaeta.

Staphylococcus is one of the genera of bacteria. It consists of species that are gram-positive and spherical in shape (coccal) while Spirochaeta is a bacterial genus that consists of species that are gram-negative, motile and spiral or coiled shaped.

3 0
3 years ago
How does the Earth-<br> sun-moon system<br> affect life on Earth?
klemol [59]

Answer:

Hello!!! Princess Sakura here ^^

Explanation:

The sun, earth, and moon are held together by gravity, and they interact in lots of ways. The moon orbits the earth because of the pull of the earth. The tides are another interaction in the sun, earth, and the moon system. The tides happen because the moon and sun pull on the oceans, causing them to rise and fall each day.

7 0
3 years ago
Seasons are caused by ?
NikAS [45]

Answer:

Explanation:The seasons are caused as the Earth, tilted on its axis, travels in a loop around the Sun each year. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun.

3 0
3 years ago
Read 2 more answers
Which hormone does the sympathetic nervous system release to increase heart rate.
sertanlavr [38]

The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.

<h3>What is a heart rate? </h3>

it is the number of contractions of the heart per minute.

<h3>What are catecholamines?</h3>

These are the neurotransmitters that have a catechol and a side chain that is an amine.

<h3>Which catecholamines are released by the sympathetic nervous system?</h3>

Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.

<h3>Where are these hormones released?</h3>

These hormones are released in the blood.

<h3>How does this hormone increase the heart rate?</h3>
  • "These hormones are released at the neuromuscular junction of the cardiac nerves."
  • "They shorten the repolarization period."
  • This speeds up the rate of depolarization and contraction and thus the heart rate is increased.

To learn more about sympathetic nervous system, hormones and heart rate here,

brainly.com/question/1155838

#SPJ2

8 0
2 years ago
Read 2 more answers
Which is a tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells?
Lemur [1.5K]
I’m sorry if this is wrong but cell wall
7 0
3 years ago
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