A reference point is defined as the initial position of an object from which its motion is described.
<h3>What is Reference point?</h3>
This is used as a standard for evaluation or measurement of properties in a body.
Option A was chosen because the motion of the object is described through comparison with the initial position.
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B. Earth rotates on a tilted axis
The seasons are created by the differences in proximity to the sun from the earth being tilted towards or away from the sun.
Answer:
Chloroplasts - green structure found only in plants cells
Golgi Apparatus - packages and moves proteins
Semi-permeable membrane - outer layer of animal cell, controls movement in and out of the cell
Endoplasmic reticulum - has smooth and rough types
Ribosomes - synthesize proteins
Cell wall - outer layer of plant cell and provides support
The semi-permeable membrane can also be called plasma membrane.
Hello!! Your best answer would be A - Claudius Ptolemy. Ptolemy believed that the Earth was the center of the universe, whereas Copernicus believed that the sun was the center. Kepler discovered 3 major laws of planetary motion, while Newton discovered gravity. I hope this has helped. Have a great evening.
Answer:
The 2 ways abiotic factors affect biotic factors are as follows:
- An alligator submerges itself under water to stay cool in the summer.
- A naked mole rat creates burrows underground.
Explanation:
Abiotic Factors:
All non-living factors that is present or influences an ecosystem. Abiotic factors determine the dynamics of an ecosystem such as the terrain, the atmosphere as well as the inhabitant flora and fauna. Water, sunlight, oxygen, temperature, and soil are all abiotic factors.
Biotic Factors:
All living factors in an ecosystem i.e. the plants and animals.
Lets analyze all the options:
- A bird picking food out of an alligator's teeth is an interaction between 2 biotic factors, the bird and the alligator or in another case, the bird and the food.
- Water being oxygenated is an interaction between 2 abiotic factors: water and oxygen.
