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weqwewe [10]
3 years ago
13

What important book did Lamarck write

Biology
2 answers:
Ne4ueva [31]3 years ago
8 0

Your answer would be, John Baptiste Lamarck most important book he wrote was the, Philosophie - Zoologigue, An Exposition with Regard to the Natural History of Animals (1809).






Hope that helps!!!!!

Brrunno [24]3 years ago
4 0

Philosophie Zoologique written in 1809

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For each cross, describe whether genetics or temperature determines the sex of progeny produced from eggs incubated at 35 degree
goldenfox [79]

<u>Answer and Explanation</u>:

In reptiles, there are two mechanisms of sex determination:

-Genetic mechanisms, determined at the fertilization moment

-Environmental mechanisms, which are temperature-dependent.

Temperature is an environmental factor that affects different processes in organisms at a molecular level, biochemical level, or physiological level. In reptiles such as lizards, snakes, turtles, crocodiles, among other, temperature influences their embryonary development, their growth, daily activities, reproduction rate, sex determination, and etc.

In lizards, it occurs that whenever eggs are incubated at low temperatures, between 22 º and 27ºC, they produce a higher percentage of males, while eggs exposed to higher temperatures, 30ºC and above, produce more females. There are only a few degrees of temperature at which exposed eggs produce males and females equally.

The importance of knowing the mechanism of organisms´ sex determination lies in how climate change may be affecting wild populations due to fluctuations in temperature.

In the exposed example, the first cross between ZZ males and ZW females, genetics is the mechanism that determines the sex of progeny produced from eggs incubated at 24 and 35 degrees celsius. While in the second cross between ZZmales and ZZ females, temperature determines the sex of progeny produced from eggs incubated at 24 and 35 degrees celsius. This is, eggs exposed to temperatures below 28ºC will produce only males, so there won't be any female in the progeny. But eggs incubated at 30ºC and over will produce females, as shown in the table.

3 0
3 years ago
Why don’t prokaryotic cells divide through mitosis?
valina [46]

Answer:

Prokaryotes such as bacteria propagate by binary fission. ... In bacterial cells, the genome consists of a single, circular DNA chromosome; therefore, the process of cell division is simplified. Mitosis is unnecessary because there is no nucleus or multiple chromosomes. This type of cell division is called binary fission.

Explanation:

i hope this helps

5 0
3 years ago
How will the cardiac output change if you double the heart rate but reduce the stroke volume by one-half? how will the cardiac o
melamori03 [73]
<span>The answer is that there will be no change.

 The cardiac output is the volume of blood pumped by the heart per unit time.

Multiplying the stroke volume and the heart rate gives you the cardiac output. The cardiac output for a person at rest is approximately 5L per minute.</span>
3 0
3 years ago
A bird catches and tries to eat a caterpillar. The caterpillar has a bad taste, so the bird lets the caterpillar go. The next ti
NNADVOKAT [17]

Answer:

The correct option is trial and error learned behavior

Explanation:

A trial and error learned behavior is a type of behavior in which an organism attempts to or tries something new which makes it (the organism) accept the reality of that thing or situation. This means that if the attempt is successful or pleasurable, the organism will attempt it again and if it's not, the organism will avoid that thing.

This is what was described in the question with the bird trying to eat the caterpillar but found it unpleasurable which made it to start avoiding it afterwards.

4 0
3 years ago
Read 2 more answers
Please help! Pick on of the following
Marat540 [252]

Answer:

inducible operon

Explanation:

the red looks like a active repressor that attaches to and repressed the operon

4 0
3 years ago
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