What is the best definitizh) vvcl/ic.2r/i 8 mm-o 6cmqon for a species?

  Biologists use the binomial naming system to name every organism dqd;cpayn:i z( y9,l5 on the planet. The bi;5lyyqpd , n zicd9a(:nomial name for the platypus is Ornithorhynchus anatinus. Which statement(s) below are true for the binomial naming system and the platypus?
I.
The genus for the platypus is Ornithorhynchus.
II.
The binomial naming system is based on an international agreement between scientists.
III.
The name, Ornithorhynchus anatinus is unique to platypus species.

  Which statement is false abouhf hlf 7po(m-7t the genome?

  The okapi looks like a small-sized giraffe and has stripes thatvd5l)h db.k0w8jt o, g resemble the zebra. It lives in the Ituri Forest in the Democratic Republic of the Congo. Okapis eat the leaves and buds of trees they can reach. They also graze on grass and ferns and eat fruit. Okapis tend to be solitary animals and 0v gw 5 b.,ljho)ddk8tthe mother gives birth to one offspring which continues to be dependent on the mother’s milk for six months. When they are four to five years old, they are mature and can breed, but only with other okapis.

Which of the following statements is applicable to the okapi?
I. Okapi is a hybrid of a giraffe and a zebra
II. Okapi is an herbivore
III. Okapi is its own species

  The table shows factors that can result in speciat b dh4,s-2gbt(xvn og*ion. Which word is matched to the correct definit,4gxhng2*(t s vb -odbion?

  The following table shows the diploid chromosome numb6n0*n ifge* qu8stzh:s v*ah.er of a range of species.


Which of these statements is correct?

The table below shows the genome size and diploid chromoso2pn xl9 ,d, f7 m4htpaond9u8pge -cj.me numbers of five different spxpda.f pghnedljp 9 2mn u-,4 9c8t7,oecies.


1.Evaluate the evidence from the table in relation to the statement that “organisms with a higher number of chromosomes do not always have more base pairs”.

2.Discuss the data as evidence for the notion that increased genome size means that the organism is more complex.

  Ammophila arenaria (Maq;twlt 2(c.irg m4 g f 7+cqzec5nqp-;rram grass), pictured below, is plant species that is often found on sanfz t;t+ .q 7 g;4cwnp(mqgl5icr2qe-cd dunes.


1.1.Identify the genus to which Ammophila arenaria belongs.
   is the genus to which Marram grass belongs.

1.2.State the naming system used to name Ammophila arenaria.
The    is used to name organisms.

1.3.State the term used to describe the differences between organisms, which is used as the basis for the naming system in part (ii).
   refers to the differences between organisms, which is the basis for the binomial naming system.


1.4.Describe how the genome within a species could vary.

2.Compare and contrast the morphological and biological species concepts.

  What type of human cell does the foyt *9ysemmz0,j . r*ijllowing karyogram represent?

  Which of the following is true for the Biological Species Con z+pxj+fxc:rj4f u860w cgub a:5kqc( cept?

  Which of the following (3cisvc-u p715xu *veyt.sevstatement(s) is/are true for the genome?
I. The genome is all the genetic information of an organism.
II. Genomes within a species are identical in size.
III. Genomes within a species vary in base sequence.

  This table shows the estimated number of genes in E. coli bacteria, fruit fl1h7 8j*vwc ;kbztfz3b t5jfe9 ies, mice, humans, and r1kfj 9t;z8 ehb53jt7c z*fw vbice.

What can you conclude from the above information?

  Which of the following statement,gpka6l/z 0g go1vrf+(s) is/are true for genome sequencing?
I. The speed of genome sequencing due to technological developments is decreasing.
II. The cost of genome sequencing due to technological developments is decreasing.
III. Genome sequencing can be used for personalised medicine.

  Which of the following l.dsgp93e-jo 8 ;w elcp)c/w3; icmw ihighlight(s) difficulties in applying the biological species concep i c)3pmcgi e;wwe josp98ll;/-.dc3wt?
I. Budding in yeast
II. Runners in spider plants
III. Bacterial conjugation

  Which of the following wouls 4vqzhnwms / (,3i)tbd provide evidence for two individuals belonging to differeq/(4 w i, )zhbtnssvm3nt species?
I. Differences in genome base sequence
II. Differences in genome size
III. Differences in chromosome number

  The images below represent haploid or diploid ho.: z;ne 2okrcells from different individuals. Based on their cells, which pairs coulzohkon.; re:2 d produce fertile offspring if they interbreed?

  Which of the following could be used to i9 kkk;e5 u-)7xz fwiiidentify and classify different species? kif xuiw 7ek;9 5ki-)z
I. Dichotomous key
II. Karyograms
III. Binomial naming system

  Environmental DNA can be used to form which of3.vp 65 ofg 6n:mxrxjt the following?

  The image below shows three different forms of Ensatina ewyjz z)qh,*a v0; m.g 1rtt-voschscholtzii species.

1.1.Construct a dichotomous key to identify the three forms of Ensatina eschscholtzii.

1.2.Identify the genus to which Ensatina eschscholtzii belongs.
They belong to the genus   .

1.3.All three forms of Ensatina eschscholtzii belong to the same species. State a property of their genome that they will share.
They will share the same number of   .

2.Explain why the biological species concept is more appropriate to identify the three forms of Ensatina eschscholtzii as the same species compared to the morphological species concept.

1.Compare and contrast the biological species concepnjw*yfuxe/jx,4, l u;t and the morphological conceptxy4xjelu; , wn* u,fj/.

2.Explain the difficulties with applying the biological species and morphological concept to all organisms.

3.Outline the shared and non-shared genomic traits within and between species.

1.Outline the binomial naming system4lsbmggd *s7o 6 vor)*osvq. w9r8tr( and its importance.

2.Explain how a sample of cells taken from a foetus can be used to determine whether the foetus will be biologically male or biologically female at birth.

3.Outline the outcomes of the human genome project and their impacts on different fields of science.