Petrification is defined as <span>the process by which organic matter exposed to minerals over a long period is turned into a stony substance so A.
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Answer:
( Going from left to right )
- Prophase -
- Telophase & Cytokinesis -
- Anaphase -
- Metaphase -
Explanation:
Prophase - Chromatin condenses making the chromosomes visible.
the nuclear envelope breaks down - makes it look like it has butterflies
Remember: The "PRO-phase" gets -butterflies- when it's about to start a race, but he lost so he starts to have a -break down-.
Metaphase - The chromosomes become aligned at the "center" or equatorial plane.
Remember: metaphase in Greek means "between" and "stage" and during this stage, the chromosomes stop moving back and forth, and also there are kept in the middle of the cell !!
Anaphase - sister chromatids separate and the resultant daughter chromosomes move toward the poles.
Remember: Sister Anna has a twin they both move out of their home and separate. One moves to the north pole and the other lives in the south pole.
Telophase - Daughter chromosomes reach the poles and form two new nuclei.
Remember: Anna and her twin settle in their new homes and both of the sisters throughout the year have two children or "nuclei" each, and also call each other on the "telephone" almost every day. :)
hope this helps <3
Answer:
From Thales, who is often considered the first Western philosopher, to the Stoics and Skeptics, ancient Greek philosophy opened the doors to a particular way of thinking that provided the roots for the Western intellectual tradition. Here, there is often an explicit preference for the life of reason and rational thought. We find proto-scientific explanations of the natural world in the Milesian thinkers, and we hear Democritus posit atoms—indivisible and invisible units—as the basic stuff of all matter. With Socrates comes a sustained inquiry into ethical matters—an orientation towards human living and the best life for human beings. With Plato comes one of the most creative and flexible ways of doing philosophy, which some have since attempted to imitate by writing philosophical dialogues covering topics still of interest today in ethics, political thought, metaphysics, and epistemology. Plato’s student, Aristotle, was one of the most prolific of ancient authors. He wrote treatises on each of these topics, as well as on the investigation of the natural world, including the composition of animals. The Hellenists—Epicurus, the Cynics, the Stoics, and the Skeptics—developed schools or movements devoted to distinct philosophical lifestyles, each with reason at its foundation.
With this preference for reason came a critique of traditional ways of living, believing, and thinking, which sometimes caused political trouble for the philosophers themselves. Xenophanes directly challenged the traditional anthropomorphic depiction of the gods, and Socrates was put to death for allegedly inventing new gods and not believing in the gods mandated by the city of Athens. After the fall of Alexander the Great, and because of Aristotle’s ties with Alexander and his court, Aristotle escaped the same fate as Socrates by fleeing Athens. Epicurus, like Xenophanes, claimed that the mass of people is impious, since the people conceive of the gods as little more than superhumans, even though human characteristics cannot appropriately be ascribed to the gods. In short, not only did ancient Greek philosophy pave the way for the Western intellectual tradition, including modern science, but it also shook cultural foundations in its own time.
Explanation:
Both the occipital lobe and the visual cortex are responsible for processing visual signals
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Non polar molecule move across a membrane through simple diffusion, when moving up their concentration gradient. Simple diffusion involves movement of molecules through a membrane without the help of integral membrane protein. These molecules are driven by the force of diffusion. This is different from facilitated diffusion where molecules only move with the aid of integral protein in the membrane.
