Q: In the shale unit, you find the following fossil: What is the mode of preservation of this…
A: A Fossil is a preserved remains of an organism, its impression, or its traces. The organism when…
Q: Why might the very earliest earth have appeared purple?
A: The earth originated around 4.5 billion years ago.
Q: 0000 Biology Q32 Nodules with nitrogen-fixing bacteria are present in Mustard Paddy Wheat Gram…
A: Nitrogen fixing bacteria helps to fixed nitrogen from air into soil. This Bacteria is found in some…
Q: Organisms living at the bottom of oceans, rivers, and lakes are all called benthos.
A: Introduction: The benthic zone, which includes the sediment surface and some sub-surface layers, is…
Q: Question 1: Why is it so important to understand the association of early land plants with other…
A: Introduction Microbes are microscopic living organisms that can be found all over the earth but are…
Q: What is the difference scientist saw in the foraminifera found in rock layer above (after) and below…
A: K-T extinction is a mass extinction event that eliminated a humongous percentage of the species of…
Q: All of the following are types of taphonomic processes EXCEPT decomposition. scavenging by animals.…
A: Taphonomy: a. The study of the conditions and process by which organisms become fossilized. b. It is…
Q: The diatoms are a group of the algae characterised by having a silica cell wall. Give an overview of…
A: A diatom is a single-celled photosynthetic organism, which means it produces its own food in the…
Q: Q1: It is the movement of air or oxygenated water in the respiratory surface Respiration Ventilation…
A: Introduction Plants and other organisms use photosynthesis to transform light energy into chemical…
Q: Protists, mostly those that live in the ocean, perform approximately half of the photosynthesis on…
A: A protist is an eukaryotic microorganism. These organisms are usually and mostly unicellular. These…
Q: . .further break down the nutrients left behind by scavengers. A. Cyanobacteria OB. Proteus OC.…
A: The nutrients left behind by scavengers are further broken down by decomposers. Food chain is a…
Q: Organisms living at the bottom of oceans, rivers, and lakes are all called benthos. True False
A: The entire biome is classified into several ecosystems. Ecosystem is a geographical area which…
Q: Halophiles are a type of archaebacteria that live in which type of environment? Oxygen-rich Extreme…
A: Introduction :- Single-celled creatures fall under the category of archaea. These microbes are…
Q: Plate tectonics were a major factor in shaping life on this planet. Explain how plate tectonics can…
A: Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide…
Q: Which of the following pairs that relate to terrestrial environmentsdoes not match?a) Soil—minimal…
A: Endospores are dormant structures formed by some bacteria which enable them to survive harsh…
Q: A stromatolite is a form of sedimentary rock created by single-celled cyanobacteria (blue-green…
A: 1) (a) photosynthesis: photosynthesis occurs in plants on ancient earth as well as on present day…
Q: AKS 5a: Use the graph below to answer the question that follows. Which statement best describes the…
A: There are four different nucleotide bases namely adenine, thymine, cytosine, and guanine. These…
Q: bacteria sunlight prokaryotes 1. abiotic grass 2. biotic fungi rocks
A: Biotic components constitutes living part of an ecosystem.…
Q: Foraminifera and coccolithophore shells (calcareous sediments) are more commonly found ______. a.…
A: Ooze Ooze is the sirf deposit of material on the bottom of the water body.
Q: A new species could be persisting indefinitely.
A: Evolution is defined by changes in the outward appearance or behaviour of members of a population.…
Q: Earth’s biota were believed to be relative simple, slow-metabolizing life. During what era is this?
A: There is a significant change in the earth's atmosphere and the evolution of animals has made it…
Q: Algal blooms are indicators of healthy nutrient cycles. A) True B) False 30. The increase in…
A: An algal bloom, also known as an algae bloom, occurs when the population of algae in freshwater or…
Q: The Kingdom Protista is initially divided into two groups based on whether the organism in question…
A: 5 kingdom classifications is a type of classification in which living organisms are classified into…
Q: the insects are resistant to the pesticide. What process is demonstrated by this example? biogenesis…
A: Pesticide resistance refers to a pest population's reduced sensitivity to a pesticide that was…
Q: How could the biological carbon cycle have worked on the primitive Earth, where oxygen gas was…
A: Introduction : The balance of the nutrients in the biosphere makes life sustainable. The movement of…
Q: Metagenesis takes place below the Earth's surface where temperature is less than 150°C . Select one:…
A: Answer : True
Q: ince diatoms are autotrophs and dinoflagellates are mixotrophs, how might this affect the…
A: Autotrophic organisms are those which undergo photosynthesis and heterotrophic organisms are those…
Q: Cyanobacteria was responsible for the increase in oxygen levels billions of years ago. They play a…
A: Answer : The Cyanobacteria were quite simple organism however carried out a crucial role in…
Q: Earth’s biota were believed to be relative simple, slow-metabolizing life. During what period is…
A: Biota- The different sorts of plant and animal life that can be found in different areas at…
Q: Which organisms usually reproduce by budding? Yeast, mushrooms, parasites, hiv
A: An extension from the parent individual occurs during budding, and it produces a bud that is…
Q: Ground beetles Centipedes Snails Wire worms Millipedes Springtails Slugs Dead & decaying organic…
A: The trophic level is a step in an ecosystem's nutritive series or food chain. The feeding behavior…
Q: Selective breeding artificial traits crop species hyprid Domestic diverse population
A: Here the blanks needs to be filled with the words given.
Q: What problems do fisheries have? Chapter 17
A: Fisheries, Fish cultivating or pisciculture includes business rearing of fish, majorly for food, in…
Q: Which species concept would most likely be used to describe microbial species diversity? It is not:…
A: Species diversity is defined as the number and relative abundance of various species present in a…
Q: Which of the following organisms all belong to the same kingdom? O A. paramecium, amoeba, algae O B.…
A: The Protista kingdom is made up of a wide range of species. Some mimic animals (protozoa), while…
Q: true or false Cyanobacteria evolved 800,000 years BP (before present)
A: Cyanobacteria are first photosynthetic organisms that existed on earth. These were able too trap…
Q: Fungi (as well as bacteria and various animals) are major decomposers. What would the world be like…
A: Decomposers- The organisms that carry out the process of decay or break down of the dead organism…
Q: Fossil films made by ______ are usually black or dark brown.
A: Fossils -- Term fossil refers to any trace of past life . It can be defined as organism remains such…
Q: Compare the prebiotic soup hypothesis with the iron–sulfur world hypothesis.
A: Both prebiotic soup hypothesis and iron sulphur world hypothesis were given by different scientists…
Q: (Modified True or False) Fossilized organisms are forms of organic carbon that are buried and stored…
A: A fossil is a preserved remains of animals and plants that are buried in sediments. It is formed…
Q: Whichkingdom has the higher carbon to nitrogen ratios?a.Fungib.Animaliac.Monerad.Plantaee.Protista
A: A carbon-to-nitrogen ratio defines the ratio of the carbon mass to the mass of nitrogen in a…
Q: How does the ocean remove carbon dioxide from Earth’s atmosphere? What role do tiny marine…
A: The oceans store a large amount of green house gases and carbon dioxide within them. The carbon…
Q: Soil Invertebrate Biodiversity, research question.
A: Answer: SOIL = Soil is the general habitat for various microorganisms such as bacteria, fungi ,…
Q: Which of the following is true about Excavata supergroup as discussed O It contains only…
A: The Excavata is a supergroup of protists that are classified based on their asymmetrical, feeding…
Q: about Excavata supergroup as discussed in clas O It contains only nh
A: The correct option is Answer B. It contains some members without mitochondria . Excavata are…
Q: Lightning Terrestrial fixation Marine fixation Industrial fixation Fossil fuels Crop fixation…
A: Nitrogen fixation is the process of converting atmospheric nitrogen to a type of nitrogen such as…
Q: What happened to the sea floor algae and plants? If fewer organisms are eating them, shouldn’t their…
A: The sea floor algae and plants acts as producers in the Chesapeakebay food web. Sea floor plants are…
Q: Legumes, a type of plant, require Rhizobia, a type of soil bacteria, to survive since these…
A: The plants cannot directly use atmospheric nitrogen. But, some legumes have a symbiotic relationship…
Q: Solid wastes produced from burning of fossils fuels is: A) Carbon dioxide B)Water vapor Ash Sulfur…
A: Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of…
Step by step
Solved in 2 steps
- What is the difference scientist saw in the foraminifera found in rock layer above (after) and below ( before) the k-T boundaryhow are fossil fuels form from geographic process"Foraminifera and coccolithophore shells (calcareous sediments) are more commonly found ______. a. in the Atlantic Ocean b. in the North Pacific Ocean c. in the Southern Ocean d. in the eastern Pacific Ocean just north of the equator
- Deposits of shells from ancient ________ have been transformed to chalk and limestone. a. dinoflagellates c. radiolaria b. diatoms d. foraminiferaWhich of the following was not present by the end of Precambrian? a. archaea c. fungi b. bacteria d. fishIn the shale unit, you find the following fossil: What is the mode of preservation of this fossil? Recrystallization Internal mold Replacement External mold Carbonization
- What does it mean to find two different species are found in the same layerThe blue-green bacteria (also called cyanobacteria) in some lichens are capable of nitrogen fixation. Why would this be especially advantageous in early stages of ecological succession?Why will the fossil record always be incomplete?
- What is the difference between Fossils and Trace Fossils.Lystrosaurus provided which type of evidence supporting continental drift? land features fossil evidence glacial evidence climate change evidenceWhat are protocells? A) Abiotic membrane enclosed organelles. B) Precursors to Cnidaria C) Abiotic precursors to living cells.