100 POINTS!!!!!!!!!! BRAINLIEST!!!!!!!! HURRY FOR POINTS!!!!!!!!!! _________________________________________________________________________________________________________________________________________________________________________________________________________________________


What are galaxies, and what types of celestial objects do they contain? ___________________________
_________________________

Describe our own galaxy, the milky way. ___________________________________________________________
___________
What famous astronomer came up with a classification scheme for galaxies? ______________________
List and describe the 4 different types of galaxies.
_________________ ______________________ ___________________ ______________________

1) Scientists have undertaken an extensive project of mapping the location of galaxies. What have they
found regarding the distribution of galaxies?
_____________________________________________________________________

When both parents are heterozygous for a trait, the offspring have an equal chance of inheriting the four possible genotype combinations 'AA', 'Aa', 'aA', or 'aa'. Phenotypically, this equates to a 3:1 ratio of dominant to recessive traits. The probability of an offspring exhibiting the dominant phenotype is 3/4, and for the recessive phenotype, it's 1/4.

If both the mother and the father are heterozygous for a trait, we can use the product and sum rules to calculate the genotype probabilities. In this scenario, we can adopt a method known as a Punnett Square to visualize the possible outcomes. Consider each parent can donate one of two different alleles. Let's denote these alleles as 'A' and 'a'.

Because each parent is heterozygous ('Aa'), the possible allele combinations for the offspring are: 'AA', 'Aa', 'aA', or 'aa'. Each of these combinations, representing the different genotypes, have equal likelihood of occurring. Therefore, the offspring show a genotypic ratio of 1 AA: 2 Aa :1 aa.

Now considering phenotype, the 'AA' and 'Aa' combinations would exhibit the dominant phenotype, and 'aa' would exhibit the recessive phenotype. Hence, if we apply the sum rule of probability, we expect the offspring to show a phenotypic ratio of 3 (dominant):1 (recessive). This means, the probability of an offspring exhibiting the dominant phenotype is 3/4 and the recessive phenotype is 1/4.

https://brainly.com/question/34213146

#SPJ12

A kangaroo rat is a Primary Consumer. It is a small rodent that lives in arid regions, named for its resemblance to kangaroos in its hopping movement. It primarily feeds on plant material, making it a primary consumer in the food chain.

Kangaroo rats are small rodents that live in arid regions of the United States and Mexico. They are named 'kangaroo rats' because of their large hind feet and long tails, which enable them to hop like kangaroos.

As for their position in the food chain, kangaroo rats, like all herbivores, are primary consumers. This means that they predominantly feed on seeds, leaves, stems, and other plant material. This plant material is produced by primary producers (plants), and the kangaroo rats, in turn, provide a food source for secondary consumers (predators).

https://brainly.com/question/35920825

#SPJ12

Answer:

the amount of matter

Explanation:

study island

Pioneer species are the first plants and animals to colonize an area that has been disturbed or newly formed, and these species are adapted to harsh environmental conditions such as high winds, harsh temperatures, a lack of nutrients, etc.

The important role of pioneer species in succession is that they prepare the way for other species to establish themselves in the ecosystem and help to break down rocks and other materials, making the soil more fertile and hospitable for other plants to grow. They also help to trap sediment and organic matter, creating a layer of soil that can support other types of vegetation.

Hence, pioneer species are the first plants and animals to colonize an area and are adapted to harsh environmental conditions such as high winds, harsh temperatures, a lack of nutrients, etc.

Learn more about the pioneer species here.

https://brainly.com/question/18454884

#SPJ2

Answer:

DNA codes for RNA which codes for proteins.

Explanation:

The central dogma of molecular biology describes the flow of genetic information:  

A single strand of DNA is transcribed into RNA by a mechanism called "transcription". Subsequently, this RNA is translated into proteins by a process referred to as "translation"

DNA replication is vital before mitosis to ensure that each resulting daughter cell gets an identical copy of the DNA. Cell cycle checkpoints ensure that DNA duplication occurs without errors or mutations. This is especially important in sexual reproduction and during meiosis.

DNA duplication, or DNA replication, is crucial before mitosis, which is a type of cell division. This process ensures that each resulting daughter cell receives an identical copy of the DNA so they can function correctly. The DNA replication happens during the synthesis phase or S phase of the cell cycle, prior to mitosis or meiosis.

To ensure that the DNA duplication happens without any errors leading to mutations, the cell has internal control mechanisms called checkpoints. These checkpoints confirm that conditions are favorable for progression to the next stage in the cell cycle and prevent compromised cells from further divisions.

The goal is to produce daughter cells that are exact duplicates of the parent cell. Hence, the DNA replication plays a critical part in sexual reproduction by providing every new cell a correct copy of DNA during cell division. This importance is highlighted during meiosis, where DNA replication precedes the two rounds of nuclear division, resulting in four daughter cells, each with half the number of chromosomes as the parent cell.

https://brainly.com/question/34852279

#SPJ12

A natural or artificial body that revolves around a celestial body of greater mass is called a satellite.

A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope thermoelectric generators.

Moreover, there are hundreds of satellites in operation. They are used for diverse purposes such as weather forecasting, television signal, amateur radio and internet communications and the Global Positioning System.

Therefore, they are also used to look outward at the solar system for research and data gathering purposes.

Learn more about satellites:

https://brainly.com/question/9266911

#SPJ2

Examples of evolution include the variation in the peppered moth's color, the similar winter adaptations of the unrelated arctic fox and ptarmigan, and changes in the beak shapes of Galápagos finches due to natural selection.

Examples of evolution can be seen in various forms. One of the classic examples often used in biology textbooks is the peppered moth. Changes in the population's allele frequencies in light and dark forms, which represents small-scale evolution, could be traced back to this species.

Another example of evolution is the evolutionary convergence observed in unrelated species sharing the same environments. The arctic fox and ptarmigan, though not related, adapt to white phenotypes during winter to blend with the snow and ice, a testament to similar selection pressures.

Additionally, the Galápagos finches offer an illustration of evolution through natural selection. Shifts in the distribution of beak shapes from one generation to the next, caused by variations in environmental conditions, show how traits passed on can influence survival and reproduction.

https://brainly.com/question/13492988

#SPJ6

D) Cities can be built in uninhabitable places

Methods for Transportation of water can be:

Aqueducts, which include pipelines, canals, tunnels and bridges.

Water transportation impacts every state, even those that do not border a navigable river or coast due to  the volume of cargo that comes in and out of our country via water. An astonishing two billion tons of domestic and international cargo travels through ports and on waterways.

Thus, the benefit out of the following options for using technology to transport water is that cities can be built in uninhabitable places, i.e. option D.

Learn more:

brainly.com/question/12925094

A long taproot benefits large woody dicots, like trees, by accessing deep water, storing food, anchoring the tree firmly, and efficiently using soil nutrients.

Benefits of a Long Taproot for Large Woody Dicots

A long taproot is highly advantageous for large woody dicots, such as trees, due to several reasons:

This root system ensures the tree's robustness and longevity in varied environmental conditions.

Specialized cells that filter out food particles, such as bacteria; characteristic of sponges. Animal that obtains organic matter for nutrition by filtering particles out of water. Opening through which water flows out of a sponge; excurrent pore.

Final answer:

Sponges are characterized by their unique filter feeding process, where water is pumped through their porous bodies, allowing collar cells (choanocytes) to trap and ingest food particles through phagocytosis.

Explanation:

Sponges, belonging to the phylum Porifera, are aquatic invertebrates known for their unique filter feeding system. Unlike other animals, they lack mouths and instead draw water through numerous pores on their surface. The water carries microscopic food particles into their bodies, which are then filtered out by specialized cells called choanocytes, or collar cells. These cells capture food through a process known as phagocytosis.

The feeding mechanism involves water entering through the pores (ostia) and passing through a large central cavity, the spongocoel, before being expelled out of the larger opening called the osculum. The water flow is unidirectional, driven by the beating of flagella on the choanocytes, within interconnected chambers lined by these cells. As the water passes, food particles are trapped by the collar of the choanocytes and ingested for nutrients, while oxygen is concurrently diffused into the cells, and wastes are expelled.

Overall, the key characteristic of sponges is their ability to filter feed by pumping water through their bodies, trapping food particles with their choanocytes, and utilizing intracellular digestion to sustain themselves.