Tropisms are _____ caused by a change in a plants growth

Assuming that neither leaf was stained which leaf would be more beneficial for and animals to eat for photosynthesis

Nezavi [6.7K]

Answer:

At low light levels, green leaves are most efficient at photosynthesis. On a sunny day, however, there is essentially no difference between red and green leaves' ability to trap the sun's energy.

Explanation:

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4 0

2 years ago

In Alaska, grizzly bears must eat 10 fish and drink up to 25 liters of water to live. A

EleoNora [17]

The fish is the limiting factor because its population determines the survival and availability of the grizzly bears.

A limiting factor is resources(biotic or abiotic) that affects or determine the availabity and growth of an organism or group of an organism within an ecosystem.

The more fish it takes, the more the liver produces urea, and kidney tubules makes use of the urea in it tubules for urine formation in the loop of Henle. The urine formation and loss, leads to intake of water and the sequence continues.

This is an example of a biological limiting factor because the bear predate on the fish for survival and population.

If the population of the fish drops,( the limiting factor) the bear drinks less water based on above, and therefore disruptions of the ecosystem.

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3 0

2 years ago

A situation in which the coefficient of coincidence is greater than 1.0 would indicate that: A. no double crossovers were found

damaskus [11]

Answer:

B. there were more double crossovers in the progeny than would be expected based on probability

Explanation:

Crossing over or recombination can be defined as the exchange of genetic material between homologous chromosomes during meiosis. Moreover, the coefficient of coincidence is the number of double recombinants found in the progeny. The coefficient of coincidence can be estimated by the following equation:

Coefficient of coincidence (COC) = ADRF / EDRF

where ADRF = Actual Double Recombinant Frequency

and EDRF = Expected Double Recombinant Frequency

In the case above described, ADFR is higher than EDRF, and therefore COC will be higher than 1.

3 0

2 years ago

What was discovered in 1965 and is believed to be leftover thermal energy from the big bang?

RideAnS [48]

Background radiation

7 0

3 years ago

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Prior to the 1600s it was believed that all living things were either plants or animals. Which of these inventions led to the de

hram777 [196]

Explanation:

Microscopes are instruments used for viewing microscopic cellular structures, not visible with the human eye. With an arrangement of lenses, and manipulation of light or electrons, these magnify very small objects. Light microscopy uses light and multiple lenses, while electron microscopes use electrons. These create larger images of objects.

Subcellular components and molecules require the closed system of the cell in order to function with different arrangements and features being key to certain phyla, groups and species; this aided in the reclassification of organisms into the kingdoms and phyla we know today.

Further Explanation:

Biology's unifying principle states that cells are the basic units of biological organisms. Cells sharing a similar origin, group together in the body to form tissues; these typically share physical features and are arranged in regular patterns. All living things, grow, respire, reproduce etc. these processes are carried out by cells, which are thus integral to their survival.

Before the discovery of cells by Robert Hooke in 1665 with a simple microscope, many scientists had long believed that life rose spontaneously over extended periods of time. Circa 1668 Francesco Redi, challenged the idea of spontaneous generation of maggots from rotting meat by placing meat in various sealed open, partially sealed and sealed containers. Sealed containers did not show the presence of maggots, and he theorized that these were likely from eggs laid on the meat by flies. This was the development of the theory of abiogenesis (cells arise from other living cells); this eventually proved the unifying principle we know today.

Cell theory states that living things are comprised of cells, as their smallest units capable of functioning. Microscopy helps to prove this, as cells and their varying components can readily be seen, observed and later classified. Their components and molecules require the closed system of the cell in order to function with different arrangements and features being key to certain phyla, groups and species; this aided in the reclassification of organisms into the kingdoms and phyla we know today.