Answer:
Explanation:
I believe why most living things do not leave fossils behind is most likely because they are decomposed before the fossils are covered by grouts and a predator might've eat them. The fossils are created when a plant or animal dies in a liquid environment and is covered by dirt.
When the concentration of a solution is higher inside a cell than it is outside of the cell, is the solution inside hypertonic,isotonic, or hypotonic?
Answer:
Hypertonic solution
Explanation:
Hypertonic solution refer to the solution of a cell if the solute concentration is higher inside than outside and it cannot cross the membrane. In Hypertonic solution, Water crosses the cell membrane in both directions which result in more b water leaving the cell than entering it. Therefore, a cell place in this solution will shrink due to exosmosis.
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Answer:
tanungin mo guro mo hahahah
Which air mass would produce warm, humid weather in the summer?
Answer: maritime tropical air mass
Explanation: The oceanic tropical air mass regularly creates a warm, muggy climate in the mid-year. The air mass begins from over the warm water of the jungles and Gulf of Mexico, where warmth and dampness ordinarily move to the air above from the water beneath.
Compare how ectotherms and endothermic maintain body temperature
Answer: Ectotherms depend on external heat sources. Their body temperature changes with the temperature of the environment. Endotherms generated heat internally to maintain body temperature.
Explanation:
Help help help help help help
Answer:
Mammal 2 and 4 are most related, why?
Explanation: They have TCT, CAG, CTG and CA, the only ones it doesn't have is the last ones, A and G, making it the only difference. 1 has 2 differences to 2, 3 differences to 4, and 3 has 2 differences as well, therefore 2 and 4 have the least differences.
Answer:
2 and 4
Explanation:
You can see their patterns match except for the last letters of 2 and 4
The relationship of structure to function is one of the major themes in biology. For the following structure/function pairs, describe the structure and then explain how the function is related to the
structure.
Membrane protein structure/active transport or facilitated diffusion
Answer:
Membrane protein is made up of phospholipid bilayer.
Explanation:
Membrane proteins have one or more segments that are embedded in the phospholipid bilayer. This structure helps cells to maintain their shape, carry out changes triggered by chemical messengers, and transport material. Cell membrane have thousands of proteins that are embedded in the cell's lipid bilayer. The proteins present in the cell membrane is responsible for the active transport means use energy to transport molecules and ions across the cell membrane.
A(n) _____ mutation changes only a SINGLE base.
A. deletion
B. point
C. insertion
D. frameshift
Answer:
B. point
Explanation:
A point mutation changes only a single base. Hope it helps you !!
25 POINTSSSS!!!!!
In which system of plant do the tissues xylem and phloem work?
In vascular system of plant do the tissues xylem and phloem work
what is the process of VEGETATIVE PROPOGATION?? PLEASE HELP ME and Thank you so much!!
Vegetative propagation is an asexual method of plant reproduction that occurs in its leaves, roots and stem. This can occur through fragmentation and regeneration of specific vegetative parts of plants.
which 4 hormones are released by the adrenal gland?
Answer:
1. adrenaline
2. cortisol
3. aldosterone
4. epinephrine
6. explain the relationship between temperature and pressure. why do you think this occurs?
Answer:
The pressure of a given amount of gas is directly proportional to the temperature at a given amount of volume. When the temperature of a system goes up, the pressure also goes up, and vice versa.
Explanation:
This occurs because of the pressure temperature law. (or also known as the Gay-Lussac's law)
please write me a polar bear slogan
Answer:
Polar bears are cool
Explanation:
like cold
ha
ha
ha
HELP! Ill give brainliest!
Did the Earth change to support life or did life change the Earth?
Be sure to support your answer with researched
EVIDENCE.
Answer:
At first, the Earth was not even able to support life. There was no oxygen in the atmosphere, and Earth's surface was extremely hot. Slowly, over millions of years, the Earth changed so that plants and animals could begin to grow. Living things then changed the Earth even more.
Why don't negative mutations usually increase in frequency in populations?
Answer:
Within a population, each individual mutation is extremely rare when it first occurs; often there is just one copy of it in the gene pool of an entire species. But huge numbers of mutations may occur every generation in the species as a whole.
Works Cited:
Oct 29, 2007
Https://www.scientificamerican.com
Explanation:
Hope this helps!
What are 2 things that two male polar bears might compete for in an ecosystem?
Answer:
Food and habitat resources
Explanation:
Ecosystems are communities that animals and organisms fight and survive in.
Answer:
bro ide man i can't even tell you man iExplanation:
What percentage of your DNA do you get from either parent ? Explain.
why do points on earth travel at different speeds?
Answer:
b
Explanation:
An organism has a diploid number of 60. What is the organism's haploid
number?
Answer:
An organism has a diploid number of 60. What is the organism's haploid
number?
Explanation:
Inherited traits are:
A. Dependent on diet
B. Acquired during an organism's life
C. Free of mutations
D. Passed on from parent to offspring
Please Help! giving brainiest!
Choose all of the statements which describe the difference between the function of the outer coverings in plants and animals: (2 points)
The skin helps protect the animal from weather changes and the environment.
The bark on trees helps turn the leaves toward the sunlight.
The waxy covering on plants reduce water loss in plants.
Group of answer choices
I and II
I and III
II and III
I, II, and III
Answer:
1 , 11 and 111 are correct
HELP HELP AHHHHHHHH Which human activity will most likely contribute to ozone layer destruction?
Answer:
well cutting down trees using chemicals burning foccle fules
Explanation:
The level in the biosphere that includes abiotic factors
a.community
b. ecosystem
c. population
Answer:
Generally, the ecosystem is the lowest level of organization that is considered to include nonliving factors. So that would mean that ecosystems, biomes, and the biosphere include abiotic factors
2. How do your respiratory and circulatory systems attempt to maintain homeostasis during exercise?
A. Your body produces more red blood cells to help provide energy to cells.
B. Your lungs produce more oxygen which is then delivered to the cells through the blood.
C. You experience an increase in blood flow which provides nutrients to cells to increase energy and
remove wastes.
D. You experience an increase in breathing rate to obtain more oxygen which is delivered to cells
through the bloodstream.
What is the main relationship among archosauria, diapsida, and reptilia clases?
Answer:
Archosauria (the "ruling reptiles") is a major group of diapsids, differentiated from the other diapsids by the presence of single openings in each side of the skull, in front of the eyes (antorbital fenestrae), among other characteristics. This continues the tetrapod trend of the reduction of skull bones by the fusion of multiple bones and the opening of fenestrae in the skull. This helps to lighten the skull, provides more room for muscles and other tissues, and allows more skull flexibility (kinesis) when eating. Other typical archosaurian characteristics include another opening in the lower jaw (the mandibular fenestra), a high narrow skull with a pointed snout, teeth set in sockets (called thecodont tooth implantation), and a modified ankle joint.
Diapsids ("two arches") are a group of amniote tetrapods that developed two holes (temporal fenestra) in each side of their skulls about 300 million years ago during the late Carboniferous period.[1] The diapsids are extremely diverse, and include all crocodilians, lizards, snakes, tuatara, turtles, and birds.[2] Although some diapsids have lost either one hole (lizards), or both holes (snakes and turtles), or have a heavily restructured skull (modern birds), they are still classified as diapsids based on their ancestry. At least 7,925 species of diapsid reptiles[3] exist in environments around the world today (nearly 18,000 when birds are included).
Reptilia, presented as a Class in our classification, includes turtles (Testudines), snakes and lizards (Lepidosauria), crocodiles and their relatives (Crocodilia), and birds (Aves), as well as a number of extinct groups.
Explanation:
I hope this information helps!
If not, I can do some further research if you'd like :)
Carbon cycles through the biosphere in all of the following processes EXCEPT
a. photosynthesis
b. burning of fossil fuels
c. transpiration
d. decomposition of plants and animals
True or false
An allele is the name given to the position of a gene on a chromosome.
Answer:
false
Explanation:
The color of an object that humans see is actually the only color of light not __________ by the object.
Answer:
The color of an object that humans see is actually the only color of light not __refracted.________ by the object.
Cellular respiration is almost the reverse of photosynthesis. Which compounds are produced in the chloroplast and used by the mitochondria?
A. glucose, oxygen, carbon dioxide
B. water, carbon dioxide, ATP
C. carbon dioxide, ADP, glucose
D. glucose, oxygen
Answer:
the anwer is the letter B
Use complete sentences to define the following terms or phrases in your own words. but be sure to use your own words!
6. Substrate
7. Active site
8. Catalase
9. Vitamin (include why they are important to enzymes and what this relationship is called)
10. Mineral (include why they are important to enzymes and what this relationship is called)
Please match the correct term to it definition
Answer:
Explanation:
1: Is symbiosis
2: is eutrophication
3: Predation
4: Trophic efficiency
5: Greenhouse effect
6: Nutrient cycling
Hope this helps!
If you need more help with this kind of subject reach out too me!
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