1pt Which of the following life processes is not necessary for an individual organism to survive, but is necessary for the survival of the species?
A. digestion
B. respiration
C. regulation
D. reproduction

Answer:

D. reproduction

Explanation:

If the species doesn't reproduce they die out or become extinct.

A group of tissues that join together to perform a specific function is___?​

how does cell division prove the cell theory

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Water has a “bent” geometry. Which explanation does not explain why?

A.Water’s oxygen has unbonded electron pairs that repel each other.
B.Water can form hydrogen bonds.
C.Electrons are evenly distributed in the water molecule.

Describe the role of ATP

When did Cherokee pepole first interact with Europeinanes
A. The 1500s
B. The 1600s
C. The 1700s
D. The 1800s

why have diseases and many other bacterial diseases decreased over the last 100 years?

ASAP!! HELP PLEASE!! I WILL MARK YOU BRAINLIEST!!!
What do plants and phytoplankton have in common?
a
live on land
b
are consumers
c
use photosynthesis
d
use chemosynthesis

How long (in centimeters and years) was the Precambrian period to the rest of the scale?

Which of the following is a nonrenewable resource?
A. Solar
O B. Biomass
O C. Petroleum
D. Hydropower

organisms that must obtain nuttrients and energry by eation other organisms are

Alice is studying biological molecules. She has isolated a molecule and identified the nucleotide bases adenine, cytosine, guanine, and thymine. Which molecule did Alice isolate?

During meiosis, homologous chromosomes exchange genetic
material. This exchange of genetic material -

Information related to the organisms found on Earth during
various geological time periods is represented in the accompanying
chart.
OOEEOC 0-0 C-E
2525
-Edw-
4.6 (?) Billion
600 Million
200 Million
60 Million
Years Ago
Years Ago
Years Ago Years Ago
Precambrian
Paleozoic
Mesozoic Cenozoic
(Simple
(Age of Amphibians, Fishes, (Age of Reptiles) (Age of
Multicellular
and Invertebrates)
Mammals)
a organisms and
First Protists)
Past
Present
Geologic Time
Which statement concerning the first appearance of the organisms
over the time period represented in this chart is most likely
correct?

Which of the following statements is accurate?
Choose 1 answer:

A Species Y and Species Z can
interbreed.

Species A and Z share a recent common ancestor.

Species A and Species Y are the same.

Species X evolved from Species Y.
Stuck? Watch a video or use a hint.
Reporta problem​

Which of the following identifies the most important reason why the percentage of deaths due to infectious diseases dropped from 1970 to 2015?
Group of answer choices

A.The number of people living in poverty fell as nations became increasingly more developed.

B.More people moved into urban areas, and fewer people remained in disease-prone rural areas.

C.More children were immunized against the major infectious diseases.

D. The use of pesticides became increasingly effective at killing biological threats.

How do normal faults differ from reverse faults?​

1pt Which of the following cells would be produced by meiosis?
A. a heart cell
B. an eye cell
C. a sperm cell
D. a skin cell

The chemical equation below summarizes the burning of a fossil fuel.
Fossil fuel + oxygen gas →
+ water + heat
Which substance belongs in the blank in the equation?
O A. Lactic acid
O B. Carbon dioxide
O C. Nitrogen
D. Ammonia

A researcher attempts to use a segment of ribosomal RNA as a molecular clock to calculate the date of the last common ancestor of two species. He finds that the two species diverged from a common ancestor 150 million years ago. These particular species have abundant fossil records that strongly suggest that these species diverged 100 million years ago. Which of the following answer choices best describes a reason for the discrepancy in the date of the last common ancestor of these species?

A. Ribosomal RNA is not a reliable molecular clock and should not be used for dating.
B. The neutral mutation rate used in calculating the last common ancestor date may not have been accurate.
C. It is highly likely that the two organisms did not share a common ancestor, so the results are invalid.
D. A large portion of the ribosomal RNA is not vital to survival, so it is not likely to be well preserved.

How do automatic stabilizers help counter the ups and downs of the business cycle ?

Which event would most likely lead to the emergence of a new species from an existing species?
A.
part of a population becomes reproductively isolated
O
B.
part of a population is killed by an infectious disease
O
C .
a beneficial trait disappears from a population
D.
a beneficial trait appears in a population

This is a curved, pointed appendage, found at the end of a toe or finger in most mammals, birds, and some reptiles. It is often used to refer to the hooked structures found on arthropods.

Selection is:
O picking what you want for supper
O making more babies than will survive
O having an adaptation
O a desirable trait when choosing a mate

Water as deep as ___ is still affected by the wind at the Earth’s surface
A) 60 m B) 250 C) 400 m D) 700 m

Please help me with this one.

Which form of nitrogen is most abundant on earth? N2 (Atmospheric Nitrogen) NH3 (Ammonia) NO2- (Nitrite) NO3- (Nitrate)

How do organisms get the energy they need?
Group of answer choices

A)Plants break down the glucose they produced in photosynthesis, and animals get energy from eating other organisms

B)Plants do not require energy because they do not move, and animals get energy by performing exercise

C)Plants get energy from fertilizers, and animals get energy by drinking water

D)Plants get energy from glucose produced in the soil, and animals get energy directly from sunlight

Choose all the answers that apply.

In a balanced ecosystem the number of _____.

producers is greater than the number of consumers
consumers is greater than the number of producers
primary consumers is greater than the number of secondary consumers
secondary consumers is greater than the number of tertiary consumers
tertiary consumers is greater than the number of primary consumers

Which is a result of selective breeding?
a. Large seedless watermelons that consumer demand.
b. Oranges that are all different sizes and colors.
c. An insect that can carry ten times its body weight.
d. A bird that catch prey with its beak.

What are the possible outcomes of combining a
lower with green leaves (GG) and green/red leaves
Gg) with a Co-Dominance relationship?

a. 3 Flowers with green leaves and 1 with red leaves

b. 2 Flowers with green leaves and 2 flowers with green/red leaves

c. 2 Flowers with green leaves and two flowers with 2 red leaves