La función de los tejidos conductores es:

A.
Transportar gases.

B.
Conducir el proceso fotosintético

C.
Transportar agua y sales minerales.

D.
Transportar savia.

The graph represents changes to two jackrabbit populations in two different areas over 15 years.
a. Which of these populations experienced the faster growth rate over the first five years? Explain your answer.
b. Which of these populations probably experienced more births than deaths over the first five years?
c. What is the approximate carrying capacity for each population, as indicated by the graph?
d. At carrying capacity, how would the growth rate of the population in area A compare with the growth rate of the population in area B?
e. Although the two populations started out at the same size, one population grew larger than the other. What are two environmental factors that could have limited the growth of one of these populations?
f. For the population in area A, which part of the chart shows exponential growth and which shows logistic growth?
g. What are two possible changes to environmental factors that could cause the population in area B to experience positive population growth that would allow it to reach the same carrying capacity as the population in area A?

All organisms need energy and
to live, grow, and reproduce. Both of these things cycle
through an ecosystem through its organisms.
sunlight
decomposers
matter
reproduction

how do some cells beomce brain cells and others become skin cells, when the dna in all the cells is exactly the same. In other words, if the instructions are exactly the same, how does one become a brain cell and another a skin cell?

After a volcano erupts and destroys an ecosystem, a few organisms are able to begin growing from the decaying organic matter left behind. What do we call those organisms that are able to grow in little or no soil that first appear?

Which event came first? The age of reptiles Amphibians leave the water Trilobites are one of the dominant species on Earth Early humans arise on Earth​

Why are the phosphorous and sulfur cycles considered to be sedimentary cycles? Use the word reservoir in your answer.

Investigate the optimal amount of foliage for the green,
long furred slinquettes' population.

two of the four principal classes of organic compounds are proteins and nucleic acids. what is the relationship between proteins and nucleic acids?

Punnett's Squares
These show the 2 alleles of each parent plant crossed with each
other and the resulting 4 possible offspring with T= tall, = short.
TT = dominant tall, 17 = recessive short, Tt = mixed hybrid
TT = dominant tall (genotype tall, phenotype tall)
Tt = mixed hybrid (genotype hybrid, phenotype tall)
tt = recessive short (genotype short, phenotype short)
Using the Punnett's Squares below, name the offspring of all possible parent combinations

Los hidrocarburos se forman con la Unión de los elementos carbono e hidrógeno hay dos grandes grupos que son:

Resuelve el problema relacionado con las etapas del ciclo menstrual: "Si el día fértil de la polola de Luciano es el 09 de noviembre y ella tiene un ciclo de 28 días ¿ Cómo puede calcular el primer día de menstruación de su polola en ese mes y el período fértil? En la respuesta debes registrar: Primer día de menstruación, Día de ovulación y período fértil.

Although strychnine is colorless, it has a very strong bitter taste.

A.True
B.False

PLZ HELP!!!

What line up during meiosis metaphase II at the metaphase plate?
O a) Homologous chromosomes
b) Sister chromatids
c) Aster
d) Microtubes

Which type of tectonic plate interaction forms a mid ocean ridge?

Question 14 (2 points)
A series of organisms listed in a way that shows which is a food source for another is
called a(n)
A
while an)
Ą
is made up of multiple connected energy paths in an ecosystem.

The phylum for invertebrate animals with jointed legs is Arthropoda.

Groundwater is taken up through a tree's roots so the tree can grow. Which sequence correctly
shows how the water the plant is using will cycle though the water cycle and become groundwater
again?
respiration → condensation → precipitation → groundwater
condensation precipitation groundwater → transpiration
transpiration → condensation → precipitation → groundwater
condensation → precipitation → groundwater → respiration

Which statement describes combined forces that are balanced?
*They result in a net force less than 0 Newtons
*They result in a net force of 0 Newtons
*They result in a net force greater than 0 Newtons

true or false
almost all cells have a nucleus

what not to do when handling acids and bases​

Which of these benefits the grassland by allowing light, warmth, moisture, and nutrients back into the soil?
ponds
fires
rainfall
trees

Bees play a central role in the health of terrestrial ecosystems because they are vital
to the pollination of plants. The extinction of bees could cause the collapse of plant-
based terrestrial (land) ecosystems. Based on this description, bees can best be
described as a

A.native species
B.foundation species
C.keystone species
D.specialist species

Explain the causes of the seasons

A team of students from UGA are completing a field study to determine the impact the American alligator has on ecosystems in places such as the Okefenokee Swamp in South Georgia over a 3-month period. In one area, they have removed the alligators and in another area they have left the alligators. What is the hypothesis the students are testing?
A.
If the American alligator is a keystone species, then the ecosystem with alligators absent will be healthier and contain greater biodiversity.

B.
If the American alligator is a keystone species, then the ecosystem with alligators present will be healthier and contain greater biodiversity.

C.
If the American alligator is a tertiary consumer, then the ecosystem with alligators present will contain fewer primary producers.

D.
If the American alligator is a tertiary consumer, then the ecosystem with alligators absent will contain more primary producers.

1.What is the most variable class of RNA?

2.What is the main function of mRNA?

Which correctly lists the three elements that geologists measure to determine the age of an organism's remains?
argon, nitrogen, and carbon-12
carbon-14, nitrogen, and carbon-12
O nitrogen, potassium, and carbon-14
carbon-12, potassium, and argon

According to the diagram, during the last 40 million years, the structure of the horse’s foot has



lost its toes _


become smaller


grown toes


remained the same size

Robert Hooke looked at a sliver of ______ through his microscope, where he noticed "pores" or "cells" in it. *

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