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Lady bird [3.3K]
3 years ago
12

1. The first person to observe cells was?

Biology
2 answers:
VARVARA [1.3K]3 years ago
8 0
The answer is Robert Hooke.
Inga [223]3 years ago
5 0

Answer:

robert hooke

Explanation:

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Muscles are attached to bones by _____.<br> marrow<br> tendons<br> ligaments<br> skin
mihalych1998 [28]
The answer to your question is Tendons.
4 0
4 years ago
Read 2 more answers
WILL MARK BRAINLIEST, IF ANSWERED. What are potential challenges a virus might face because of its reduced morphology? And what
Ivenika [448]

Answer:

Morphology means the study of the forms and structure of organisms and their features. Which means that some challenges that viruses might face are less of the groups if that makes sense.

Explanation:

A virus is made up of four groups. The filamentous, isometric, head, and tail. Which means that the virus could possibly have less of it's parts because morphology is the study of how it FORMS.

(i hope this helps)

3 0
3 years ago
Which type of joint allows bones to move backward and forward in only one direction?
jok3333 [9.3K]
The type of joint that allows bones to move backward and forward in only one direction is the hinge joints. Ball and socket are the joints that allows movement in all directions. Gilding joints are type of joints that are the vertebral disks that allow twisting, turning, and sliding. Hinge joints are formed between two or more bones where the bones can only move along one axis to flex or extend. They include the ankle, elbow and knee joints.
5 0
3 years ago
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The diagram shows a model of an ecosystem.
Korvikt [17]

Answer: i would say D but i'm not entirely positive

Explanation:

this is showing how the energy is distributed between the types of organisms in an environment

8 0
3 years ago
What do sphincter muscles do? a. Trigger hormone release. b. Control peristalsis. c. Secrete digestive juices into the GI tract.
Maksim231197 [3]

Answer:

Answer is E.

Explanation:

Generally, sphincter are circular or ring - shaped muscles, surrounding the natural opening in the body. They control the movement of substances by opening and closing through expansion and contraction.

There are many sphincter in the body, examples are

* Cardiac sphincter...found at the upper area or portion of the stomach.

* Pupilary sphincter..found in the iris of the eye.

* Glisson's sphincter...controlling the secretion of the gall bladder,pancrease and the liver.

6 0
3 years ago
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