Answer:
- cell
- molecule
- macro-molecule
- organs
- ecosystem
- population
- population
- tissue
- organism
- Organism
- organelle
Explanation:
Level of organisation or biological organisation is defined as a hierarchy of biological structures or systems that contribute to the life.
Level of organisation become complex as it increases in its hierarchy. Arrangement of biological organisation from simplest to complex include : Atom/Molecule/macro-molecules or bio-molecular complex, organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
- Blood is classified as a cell because it is the basic unit of life.
- Carbon dioxide is classified as a molecule because it is made up of group of atoms.
- Carbohydrates are macro-molecule made up of group of bio molecules.
- Lungs are the organs which is a functional group of tissues.
- A desert, including animals, birds, plants, rocks, wind is considered as ecosystem because it include groups of organisms with the physical (abiotic) environment.
- All species of lizards in a rain-forest tree and Zebras in the zoo are classified as population because groups of organisms of the same species.
- Skin is considered as tissue because it is a functional groups of cells.
- One bacterium is considered as a organism because it is a living system consist of single cell.
- Dog is classified as organism as it is also a living system and made up of several cells.
- Chloroplast is a n organelle because it is a functional groups of bio-molecules and helps in several chemical processes.
Hence, the correct matches are:
Blood - cell
Carbon dioxide - molecule
Carbohydrates - macro-molecule
Lungs - organs
A desert, including birds, animals,rocks, plants, wind - ecosystem
All species of lizards in a rainforest tree - population
Zebras in the zoo - population
Skin - tissue
One bacterium - organism
Dog - organism
Chloroplast - organelle
The correct answer is option D, that is, plate movements.
The Late Heavy Bombardment refers to an incident considered to have taken place about 4.1 to 3.8 billion years ago, at a time equivalent to the Eoarchean and Neohadean eras on Earth. During this time, an intense asteroid and comet bombardments are considered to have peppered all the planets in the solar system, also the Earth.
Various craters witnessed on the Moon and other bodies in the Solar System highlight the event. However, on Earth, the natural phenomenon like a plate or tectonic movements, the eruption of volcanoes, and the process of weathering have destroyed or eliminated several of the craters developed on Earth at the time of heavy bombardment.
Answer:
are not dependent on water for reproduction
Explanation:
In terms of seed production, plants are generally divided into 2:
- Seedless plants
- Seed producing plants
Seeds serve as structure for propagation and contains an embryo that is usually nourished and protected by the seed coat. The embryo results from fertilization of the ovule by the pollen grain, a process that takes place after pollination. The entire process is independent of water.
Seedless plants produce spores instead. These spores can be sexual or asexual. Sexual reproduction in seedless plants requires that the male gametes (sperms) swim to meet the female gametes (egg). Consequently, water is necessary for the motile male gametes and that is why most seedless plants grow is aquatic or moist areas.
<em>Hence, unlike seedless plants, seed plants are not dependent on water for reproduction.</em>
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All of the above are True
- Part of the Bohr model proposed that electrons in the hydrogen atom are located in "stationary states" or particular orbits around the nucleus.
- An orbital is the volume in which we are most likely to find an electron.
- The uncertainty principle states that we can never know both the exact location and speed of an electron.
- The emission spectrum of a particular element is always the same and can be used to identify the element.
Answer:
C and D
Explanation:
The nucleus (the dark blob in the center of the cell) is clearly visible in every cell in the diagram, which means that this is a eukaryotic cell undergoing mitosis. F is, therefore, not a correct answer. The product of mitosis is two genetically identical daughter cells.
Binary fission occurs prokaryotic cells, and does not apply in this case, so A is not a correct answer.
Cells do not undergo $exual reproduction, so B is not a correct answer.
While eukaryotic cells generally do have ribosomes, it is possible to infer that the cells contain ribosomes. However, the ribosomes are not visible in the diagram, so E is not a correct answer.