Answer:
1. sphincter muscle and dilator muscle
2. Axial skeleton
Explanation:
1.The iris in the human eye is responsible for controlling the exposure of of light that reaches the retina. The movement of iris is controlled by a muscles called sphincter muscle and dilator muscle. sphincter muscle constricts the pupil in bright light while dilator muscle expands the pupil.
2. Sternum belongs to the axial skeleton, which is a long flat bone located in the central part of the chest. Axial skeleton consists of 80 bones and strenum is one of them. Axial skeleton functions to provide protection to vital organs such as brain, heart and lungs. Strenum functions to protect heart.
Answer:
A: melting snowman sweats drop of water under a bright sun
The correct answer is body type, cell type, cell structure, nutrition. Organisms are classified into six Kingdoms of life: Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia. Organisms are placed into these categories based on similar or common characteristics.
Double fertilizer in a plant
If the question goes like this:
Which best describes plant classification?
<span><span>
A.
</span>Nonvascular plants are grouped into seedless and
seeded plants. </span>
<span><span>
B.
</span> Seedless
plants are grouped into gymnosperms and angiosperms.</span>
<span><span>
C.
</span>Gymnosperms are grouped into monocots and
dicots. </span>
<span><span>
D.
</span> Angiosperms are grouped into monocots and
dicots.</span>
<span>
The best answer
will be letter D. Angiosperms are grouped into monocots and dicots.</span>
Botanists grouped or classified together according to its
characteristics.
see attached file for more information about classification of plants.