Answer:
Plants occur in dump and shaded areas
They lack vegetative structure
The plant body is prostrate or erect
They lack vascular system
What comes next in a super giant's life cycle?
Answer: Depending on its size, the star becomes either an average star or a massive star. The average star then becomes a red giant, a planetary nebula, and ends its life as a white dwarf.
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Answer:
Apples : adenine
Trees : thymine
Cars : cytosine
Garages : guanine
Explanation:
The bases in DNA are adenine, thymine, guanine, and cytosine. It helps to remember the popular mnemonic, "apples in the tree," that helps you remember that A goes with T, and "car in the garage," so C goes with G, to understand how DNA bases pair. The bases in RNA are adenine, uracil, guanine, and cytosine.
How do organisms like planarian regenerate their bodies ?
Answer:
Regeneration.
Explanation:
Planarian can be cut into pieces, and each piece can regenerate into a complete organism. Cells at the location of the wound site proliferate to form a blastema that will differentiate into new tissues and regenerate the missing parts of the piece of the cut planaria.
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1) According to the diagram, divergence among mammals took place about 75 mya.
2) Scientists are able to determine common ancestors by studying molecular data.
3) Darwin's theory of evolution by natural selection states that animals change over long periods of time.
4) Scientists are closesly studing how genes reorganize themselves.
5) Some scientists, however, think new species evolve quickly.
6) Still, among scientists, the principles of natural selection remain unchanged and highlight how animals evolve.
7) The main tool for the study of evolution is careful observation of fossils and the anatomy of animals.
8) Scientists also study animal embryology.
9) What no one doubts is the wide diversity among organisms on Earth.
10) The divergence that took place among mammals helps us understand why whales and dolphins are mammals and not fish.
Fun fact: Uh, I happen to discover a whole packet of answer keys, not just for this but also for other assignments and stuff. (O.O)
Choose all the answers that apply. The hypothalamus _______
Answer:
A. The anterior pituitary is also known as the adenohypophysis.
C. The anterior pituitary is stimulated by the hypothalamus via hormones that travel through the hypophyseal portal system.
D. Oxytocin is secreted by the anterior pituitary.
Explanation:
How did scientists determine how old the ocean floor is?
O A. Watching it grow
O B. Testing radioactive materials
O C. Asking other scientists
O D. Making a guess
Which statement correctly describes the process of photosynthesis?
A. The mitochondria use oxygen, water, and sunlight to produce
sugars and carbon dioxide.
B. The chloroplasts use carbon dioxide, water, and sunlight to
produce sugars and oxygen.
C. The chloroplasts use oxygen, water, and sunlight to produce
sugars and carbon dioxide.
D. The mitochondria use carbon dioxide, water, and sunlight to
produce sugars and oxygen.
Answer:
B
Explanation:
the equation for photosynthesis is:
carbon dioxide + water ---> glucose +oxygen
(light)
The statement that correctly describes the process of photosynthesis is that chloroplasts use carbon dioxide, water, and sunlight to produce sugars and oxygen. The correct option is B.
What is photosynthesis?Photosynthesis is the process of producing food, nutrition, and energy. It is done by plants and algae because only they contain chlorophyll. Those organisms containing chlorophyll can perform photosynthesis.
It is a chemical process and the process involves, carbon dioxide, water, and sunlight, and it produces sugar and oxygen as a byproduct. The oxygen is released, whereas the sugar gives the energy.
The process can be described as chloroplast absorbing the sunlight for plants, and the process can only occur in the presence of light or sunlight.
Thus, the correct option is B. The chloroplasts use carbon dioxide, water, and sunlight to produce sugars and oxygen.
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Answer:
An animal that eats dead animals or plants
Explanation:
A scavenger is literally defined as an animal that feeds on dead plant material or carrion which means decaying flesh of dead animals ( humans included)
What evolves according to natural selection?
a- The individual
b- The population
Answer:
b - The population
Explanation:
What is condensation and what cycle is it a part of?
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Answer:
I believe it's D. the skeleton protects the brain and the spinal cord.
A student is observing an image of an object that could be a comet, meteoroid or asteroid. Which of the following questions
would BEST confirm that the object is a comet?
A. Does the object contain ice?
B. Does the object contain metals?
C. Where is the object found?
D. How big is the object?
Answer:
A does the object contain ice
Explanation:
The BEST question that would confirm that the object is a comet is "Does the object contain ice?" Hence the correct option is A.
What are comets?Comets are small, icy celestial bodies that originate from the Kuiper Belt and the Oort Cloud. As they approach the Sun, they heat up and release gas and dust in the form of a coma and a tail, which can be observed from Earth. Therefore, if the object contains ice, it is most likely a comet.
Meteoroids, on the other hand, are smaller rocks that travel through space, and asteroids are larger rocks that orbit the Sun between Mars and Jupiter. Neither meteoroids nor asteroids typically contain ice.
As for the other options, whether the object contains metals or how big it is does not provide enough information to determine whether it is a comet, asteroid, or meteoroid. And while the location of the object may provide some clues about its origin, it is not a definitive factor in determining whether it is a comet.
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step by step process of photosynthesis
Answer:
Step 1-Light Dependent. CO2 and H2O enter the leaf.
Step 2- Light Dependent. Light hits the pigment in the membrane of a thylakoid, splitting the H2O into O2.
Step 3- Light Dependent. The electrons move down to enzymes.
Step 4-Light Dependent. Sunlight hits the second pigment molecule allowing the enzymes to convert ADP to ATP and NADP+ gets converted to NADPH
Step 5-Light independent. The ATP and NADPH is used by the calvin cycle as a power source for converting carbon dioxide from the atmosphere into simple sugar glucose.
calvin cycle.
Which characteristics of living things were the trumpet vines displaying as the
stems twisted around the trellis?
A. Reproduction only
B. Response to a stimulus and growth and development
C. Response to a stimulus only
D. Reproduction and growth and development
Based on the phylogenetic tree, identify approximately how many millions of years ago the earliest south Asian river dolphin evolved
my guess is that it is 130 Million
can racial categories be determined by biological traits?
Who invented the microscope and was the first person to describe cells?
Who was the first scientist to refer to cells in cork tissues?
Answer:
The cell was first discovered by Robert Hooke in 1665 using a microscope.
The first cell theory is credited to the work of Theodor Schwann and Matthias Jakob Schleiden in the 1830s.
Hooke had discovered plant cells -- more precisely, what Hooke saw were the cell walls in cork tissue. In fact, it was Hooke who coined the term "cells": the boxlike cells of cork reminded him of the cells of a monastery.
Answer:
1. Zacharias Janssen invented the microscope, while the first to describe cells was Robert Hooke
2. Robert Hooke was the first scientist to do so
To measure motion, you must be able to compare it to a ________ point, or a non moving point.
Answer:
To measure motion, you must be able to compare it to a reference point, or a non moving point.
integrated science
plant reproduction
Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. Cross-pollination happens when the wind or animals move pollen from one plant to fertilize the ovules on a different plant.
how is eubacteria organized?
Can someone tell me the answers to these problems?
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What is located at both of the poles on Earth
Answer: The North Pole lies in the Arctic Ocean while the South Pole is in Antarctica.
Earlier this week, we learned that there are between 17-20 different species of
penguins. In order to investigate relationships between species, what evidence
should we investigate next?
DNA Comparisons (molecular similarities)
Fossil evidence
Structural Similarities
O Phylogenetic Tree
Answer:
I think structural similarities then fossil advice before DNA comparison
Which of the following is the role of fossil fuels in the carbon cycle?
O A. Preserving extinct organisms
B. Building up carbon dioxide in the air
C. Keeping populations of plants under control
D. Storing excess carbon underground
Answer:
D have a nice day:
If you and a friend hold a book a pencil, a paper clip and a crayon at the same height in the air, and drop them all, which item will hit the ground with the greatest force?
well to this answer it will be the heaviest object that will fall the faster the crayon will fall much much faster than the other objects listed.
The items will all hit the ground at the same time as they have an equal force.
It should be noted that the law of conservation of energy applies in this case. In such a situation, the weight or mass of the object is inconsiderate.
In this case, since a book a pencil, a paper clip, and a crayon at the same height in the air, are dropped, they will hit the ground with the same force.
Therefore, they'll fall at the same time.
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which is it?
a , b, c, or d?
What are these two diagram structures?
Answer:
Hydrogen bond
Explanation:
Explain the function of enzymes and how enzymes
can be denatured.
Answer:
They speed up chemical reactions and are denatured by high temperatures and high pH.
Explanation:
Enzymes speed up chemical reactions. They have specifc conditions that allow them to work effectively. Temperature and pH affects how enzymes work. The optimum temperature is the temperature at which enzymes will function best. In most instances they are around 37-40°C (in the human body). Temperatures above this will denatured (destroy) the enzymes therefore they cannot do their task. At Temperatures below the optimum temperature the enzymes activity is decreased to the point where they may not be active.
Optimum pH is the pH at which the enzymes works best. These vary based on the type of enzyme. Any pH above the optimum will denatured the enzymes (destroy). pH below the optimum will decrease the ezymes activity to the point where they may not be active
determine the gender (male or female) and health of her unborn child.
Answer:
More examples?
Explanation:
Answer:
soo like what exactly do you mean
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Answer:
I can't see it but good luck with the answer